CN109871572A - A kind of road traffic Route Design Method - Google Patents
A kind of road traffic Route Design Method Download PDFInfo
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- CN109871572A CN109871572A CN201811613490.7A CN201811613490A CN109871572A CN 109871572 A CN109871572 A CN 109871572A CN 201811613490 A CN201811613490 A CN 201811613490A CN 109871572 A CN109871572 A CN 109871572A
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Abstract
The invention discloses a kind of road traffic Route Design Methods, include the following steps: design vehicle outer profile size and minimum turning radius, design traffic volume, road service grade classification, highway layout speed at different levels, road passage capability, intersection design capacity；Urban public transport, bicycle traffic, pedestrian traffic, city square, Urban freight transport, urban road net layout, urban road intersection design；Road Cross Section design；Road is flat, vertical alignment design；Level-crossing planning and design；Crossings on different level planning and design；The design of road auxiliary equipment；The beneficial effects of the present invention are: preferably the planning of reflection urban highway traffic and design feature, adaptation urban land are laid out；Based on overall city planning, meets land use to transport need, embody promotion and restrictive function of the urban highway traffic to land development intensity.
Description
Technical field
The invention belongs to traffic route technical fields, and in particular to a kind of road traffic Route Design Method.
Background technique
Traffic route is to be built by certain technical standard with scale, and have necessary transportation facility and technical equipment,
It is intended to transport the traffic route of various passenger and freight；Including railway, highway, cruiseway, sea routes, air route, pipeline and
Cableway etc..Broad sense further includes the various traffic routes of urban inner.
In order to enable City traffic system planning and design meet visitor, lorry stream and the stream of people safety with it is unimpeded；Reflect city
City's style and features, urban history and cultural tradition；Space is provided for above and below ground utilities pipeline and other public utilities；Meet city
The requirement that city's disaster relief is taken refuge with sunshine ventilation；Meet people and vehicle traffic in lines, the traffic shunting of motor vehicle and non-motor vehicle is wanted
It asks, the present invention provides a kind of road traffic Route Design Method thus.
Summary of the invention
The purpose of the present invention is to provide a kind of road traffic Route Design Methods, to solve to be in above-mentioned background technique
Make City traffic system planning and design meet the safety of visitor, lorry stream and the stream of people with it is unimpeded；Reflect cityscape, city
History and cultural tradition；Space is provided for above and below ground utilities pipeline and other public utilities；Meet the city disaster relief to take refuge
With the requirement of sunshine ventilation；Meet people and vehicle traffic in lines, the requirement in the traffic shunting of motor vehicle and non-motor vehicle.
To achieve the above object, the invention provides the following technical scheme: a kind of road traffic Route Design Method, including such as
Lower step:
Step 1: design vehicle outer profile size and minimum turning radius, design traffic volume, road service grade classification,
Highway layout speed at different levels, road passage capability, intersection design capacity；
Step 2: urban public transport, bicycle traffic, pedestrian traffic, city square, Urban freight transport, city road
Road network layout, urban road intersection design；
Step 3: road Cross Section design；
Step 4: road is flat, vertical alignment design；
Step 5: level-crossing planning and design；
Step 6: crossings on different level planning and design；
Step 7: road auxiliary equipment design.
As a preferred technical solution of the invention, in the step 1, design traffic volume should calculate or count tune
Annual average daily traffic (ADT) is looked into as roading controlling traffic volume；The 30th peak hour flow of forecast year should be chosen
Amount is used as design traffic volume (DHV)；Design hour traffic is to choose through street, trunk roads by prediction in 20 years, and subsidiary road presses 15
Year prediction；The volume of traffic of (early evening peak) whole methods of operation and direction distribution (D) during design should collect design hour.
As a preferred technical solution of the invention, in the step 1, reflect the road of the degree of crowding of road
The grade of service is divided into A, B, C, D, E grades.
As a preferred technical solution of the invention, in the step 1, intersection design capacity includes flat
Face intersection and traffic interchange design capacity.
As a preferred technical solution of the invention, in the step 3, road Cross Section design includes that design is former
Then, boundary lines of roads width, optimal crosssection, motor vehicle lane and width of roadway, non-motor vehicle carriageway width, width of roadway,
Trackside bandwidth, parting strip, crown curve and crown slope, comprehensive pipeline arrangement, kerb.
As a preferred technical solution of the invention, in the step 4, road is flat, vertical alignment design includes but not
It is limited to plane, vertical alignment design principle, sighting distance, minimum radius of horizontal curve, superelevation.
As a preferred technical solution of the invention, in the step 5, level-crossing planning and design include
But it is not limited to design principle, the classification of level-crossing, the traffic organization principle of different shape intersection, the design of level-crossing
Parameter.
As a preferred technical solution of the invention, in the step 6, crossings on different level planning and design include but
It is not limited to the basic pattern and applicable elements, sighting distance, designed driving speed of interchange.It is excellent as one kind of the invention
The technical solution of choosing, in the step 7, the design of road auxiliary equipment include but is not limited to design principle, road safety facility,
Control of traffic and road facility.
Compared with prior art, the beneficial effects of the present invention are:
(1) preferably the planning of reflection urban highway traffic and design feature, adaptation urban land are laid out；
(2) based on overall city planning, meet land use to transport need, embody urban highway traffic to soil
The promotion and restrictive function of mining inetesity.
Detailed description of the invention
Fig. 1 is flow chart of the invention；
Fig. 2 is kart minimum turning path figure of the invention；
Fig. 3 is lorry minimum turning path figure of the invention；
Fig. 4 is the bus minimum turning path figure of invention；
Fig. 5 is medium semitrailer minimum turning path figure of the invention；
Specific embodiment
A kind of road traffic Route Design Method, includes the following steps:
Step 1: design vehicle outer profile size and minimum turning radius, design traffic volume, road service grade classification,
Highway layout speed at different levels, road passage capability, intersection design capacity；Design traffic volume should calculate or survey year
Average daily traffic volume (ADT) is used as roading controlling traffic volume；The 30th peak hour traffic of forecast year should be chosen to make
For design traffic volume (DHV)；Design hour traffic is to choose through street, trunk roads by prediction in 20 years, and subsidiary road is pre- by 15 years
It surveys；The volume of traffic of (early evening peak) whole methods of operation and direction distribution (D) during design should collect design hour；Reflect road
The road service grade of the degree of crowding on road is divided into A, B, C, D, E grades；Intersection design capacity include level-crossing and
Traffic interchange design capacity；
Step 2: urban public transport, bicycle traffic, pedestrian traffic, city square, Urban freight transport, city road
Road network layout, urban road intersection design；
Step 3: road Cross Section design；Road Cross Section design includes design principle, boundary lines of roads width, cross section
Arrangement, motor vehicle lane and width of roadway, non-motor vehicle carriageway width, width of roadway, trackside bandwidth, parting strip, road camber
Curve and crown slope, comprehensive pipeline arrangement, kerb；
Step 4: road is flat, vertical alignment design；Road is flat, vertical alignment design includes but is not limited to plane, vertical alignment design
Principle, sighting distance, minimum radius of horizontal curve, superelevation；
Step 5: level-crossing planning and design；Level-crossing planning and design include but is not limited to design principle,
The classification of level-crossing, the traffic organization principle of different shape intersection, level-crossing design parameter；
Step 6: crossings on different level planning and design；Crossings on different level planning and design include but is not limited to that intercommunication solid is handed over
Basic pattern and applicable elements, sighting distance, the designed driving speed of fork；
Step 7: road auxiliary equipment design；The design of road auxiliary equipment includes but is not limited to design principle, road safety
Facility, control of traffic and road facility.
It is designed specifically to:
Automotive designs vehicle overall dimension, unit are (m)
Design traffic volume should be met the following requirements: should calculate or survey annual average daily traffic (ADT) is as road
The planning control volume of traffic；The 30th peak hour traffic of forecast year should be chosen as design traffic volume (DHV), design hour
The volume of traffic is to choose through street, trunk roads by prediction in 20 years, and subsidiary road was predicted by 15 years；During design should collect design hour
The volume of traffic of interior (early evening peak) whole method of operation and direction distribution (D).
Reflect that the road service grade of the degree of crowding of road is divided into A, B, C, D, E grades
V/C is the ratio between maximum service volume and basic capacity under ideal conditions, and basic capacity is D grades
The maximum volume of traffic of the grade of service.
Intersection design capacity: level-crossing uses signalized crossing, and intersection handling capacity is reachable
2500~6000pcu/h；Using traffic circle or have traffic control intersection, intersection handling capacity between 500pcu/h~
2700pcu/h, wherein main should select traffic control form to the apparent intersection of traffic flow；Intersected using no traffic control
Mouthful, the traffic capacity is less than 500pcu/h；
The general applicable elements reference table of grade separation citation form
Urban public transport: urban public transport planning, it should be according to urban development scale, Land arrangement and road network planning
It draws, on the basis of passenger flow estimation, determines public transport mode, vehicle number, line network, junction of park and shift and Terminal Area Facilities land used
Deng, and the passenger capacity of public transport should be made to meet the needs of peak；Administrative region of a city key city and Regional Central City should be preferential
It develops public transport；Sub-region key city and organic town should improve the public transport network in urban district to suburb；City is public
One way maximum psychology travel time when traffic programme at passenger traffic peak, should make 50% resident's riding following major public transportation mode
The regulation of following table should be met:
| City size | Maximum psychology travel time (min) | Major public transportation mode |
| Administrative region of a city key city | 60 | Greatly, middle freight volume rail rapid transit；Bus, electric car |
| Regional Central City | 40 | Bus, electric car |
| Sub-region key city | 35 | Bus |
| Organic town | 25 | Bus |
Urban public transport network answers unified plan, and hierarchical arrangement, route trend is consistent with main passenger flow, main passenger flow
Distribution Center should set the junction of park and shift of different modes of transportation；Administrative region of a city key city, sub-region key city public transport network are close
Degree, should reach 2.0~2.5km/km2；Passenger averagely changes to coefficient administrative region of a city key city and is not preferably greater than 1.5, sub-region central city
City is not preferably greater than 1.3.
| Public transport mode | Public transport stop spacing (m) |
| Bus and electric car | 300-800 |
| Bus main station express bus | 1500-2000 |
| Greatly, middle freight volume rail rapid transit | 800-2000 |
On section, transfer distance in the same direction should not exceed 50m, and incorgruous transfer distance should not exceed 100m；To installing station, when
When road does not set median strip, it should head-on be staggered 30m in vehicle forward direction；In road grade crossing and traffic interchange
The station of upper setting, transfer distance is not preferably greater than 150m, and is not greater than 200m；Coach bus station, railway station, passenger traffic
Harbour preferably considers joint station, and public transport stop transfer distance should be within the scope of 50m；It public transport stop should be with rail traffic
Station transfer；Through street and trunk roads and suburb two-lane highway, public transport bus stop should not occupy driveway, and bus stop is answered
It is arranged using bay type multi-storied, the Harbor-shaped bus stop length in urban district, it should be at least there are two parking stall；Bus and trolleybus
Using on the ground other than urban road should be arranged in first and last station, and every place's land area must not be less than 1000m2；Urban taxi is adopted
It, should be in road near the distribution centre of business busy section of town, external transport hub and the stream of people's frequent activity when throwing uniform business with road
On set taxistand road.
Bicycle traffic: when calculating bicycle traffic psychology travel time, bicycle travel speed preferably presses 10-12km/h calculating,
Congested in traffic area and the poor area of road conditions, travel speed preferably take lower limit value；The farthest trip distance of bicycle, in administrative region of a city
Key city, Regional Central City should be calculated by 3km, and sub-region key city and cities and towns should be calculated by 5km；Bicycle path
Network planning is drawn should be by the cycle track, Urban Branch Road and residential area of the bicycle route, urban arterial road two sides that are separately provided
Road collectively constitutes the network that can guarantee bicycle Continuous Traffic；It should be wanted from the dedicated road of vehicle vehicle by desin speed 20km/h
Seek carry out Alignment Design；The traffic environment of bicycle path designs, and the facilities such as safety, illumination, shade are preferably arranged.
Pedestrian traffic: in city plan pedestrian traffic system should with the flow of pedestrian flow and flow direction be basic foundation, because
Various effective measures, as far as possible the reservation original pedestrian system in mountain city are used to ground suiting measures to different conditions, meets the requirement of pedestrian activity, ensures pedestrian
Traffic safety and traffic continuity, must not arbitrarily reduce pavement；Pavement, Applied in Business Pedestrian Street, city riverfront pavement or woods
The planning of arbor, should with the pedestrian system of residential area, with station, the collecting and distributing square of harbour, the walking of Urban Recreation congregation plaza etc.
System is combined closely, and a complete City Walking System is constituted；Along pavement, shade tree, public transport bus stop and time are set
When the facilities such as Che Ting, phonebooth, the normal operation of pedestrian must not be interfered；It determines the pavement traffic capacity, should can lead to by it
The practical span width of capable pavement calculates；Sidewalk width should be calculated by the multiple of people's row band, and minimum clear span cannot be less than
1.5m。
City square: station, harbour the collecting and distributing land for squares gross area of traffic, can by plan a city population everyone 0.07~
0.10m2It calculates；Station, harbour the scale on the collecting and distributing square of traffic determine that the density of stream of people on collecting and distributing square is suitable by aggregation flow of the people
For 1.0~1.4 people/m2；The stop got on or off the bus on traffic square before station, harbour for passenger, distance inlet and outlet are unsuitable big
In 50m；Allow vehicle short stay, but must not store for a long time；The parking lot of motor vehicle and non-motor vehicle should be arranged in collecting and distributing
Square periphery；The gross area of Urban Recreation congregation plaza land used, can be by everyone the 0.13~0.40m of population that plans a city2It calculates；City
Congregation plaza is strolled about or have a rest in city should not be too big；The every place in city-level square is preferably 40,000~100,000 m2；The grade every place in square, area is preferably 10,000~30,000 m2。
Urban freight transport: the prediction of Urban freight transport amount should be with urban economy, social development planning, overall city planning
And comprehensive transport plan is foundation；Urban freight transport should include transit shipment traffic, go out enter the market freight traffic and intracity trucking
Three parts of traffic；The scale of goods stock station is preferably combined with city size with layout, in administrative region of a city key city, regionality
Heart city preferably uses dispersion to layout；Subzone key city preferably uses concentration to layout, station addressing should close to main source of goods point,
And it is combined with freight transportation center.
Urban road network's planning index table
Intersection traffic function, type selecting and planning and designing standard scale
Road Cross Section design: road Cross Section design should carry out in the red line width range of urban planning；Cross section
Pattern, arrangement, each composition portion size and ratio should be by category of roads, rank, designed driving speed, the motor vehicles of design period
Road and the non-motorized lane volume of traffic and flow of the people, traffic characteristics, traffic organization, means of transportation, upper boom line, underground utilities, green
The factors such as change, landform are unified to be arranged, with the safe and smooth of support vehicles and footpound force traffic；Cross-sectional design should combine in nearly long term,
Near Future Project is set to become the component part of engineering at a specified future date, and reserved pipeline position, highway layout should there are the leeway of development；To existing
The method for having road reconstruction that engineering measure should be taken to combine with traffic administration, to improve road passage capability and ensure traffic peace
Entirely；Through street should use dual carriageway road form, two-way 6~8 lane of A-road, 32~54 meters of boundary lines of roads width, in demand for services
Compared with Multi sectional, suitable two sides set auxiliary road；Trunk roads generally use dual carriageway road form, and administrative region of a city key city driveway is generally two-way 6
Lane, 32~42 meters of boundary lines of roads width；Administrative region of a city key city built-up areas, Regional Central City major trunk roads can be two-way 4 vehicle
According to the actual situation, 2 lanes also can be used in road, organic town, and boundary lines of roads width cannot be less than 12m, and pavement is arranged in two sides；It is secondary
Main line generally uses single carriageway road form, and driveway is generally two-way 4 lane, administrative region of a city key city boundary lines of roads width 20~36
Rice, Regional Central City, sub-region key city, organic town can be used 2 lanes, and 12~36 meters of boundary lines of roads width, two sides
Pavement is set；Branch generally uses single carriageway road form, and driveway is two-way 2~3 lane, and 9~26 meters of boundary lines of roads width, two
Pavement is arranged in side；Special road generally uses single carriageway road form, and driveway is no more than 2 lanes, boundary lines of roads width 7~26
Rice；The cross section pattern of road has single carriageway road, dual carriageway road, triple carriageway road and quadri；
Comprehensive pipeline arrangement: urban road new construction pipeline (line) should be laid along underground, and buried pipeline can be used
Directly buried installation or integrated pipe canal laying；The underground piping (line) laid under road should merge as far as possible according to type, take up an area down tube less
Line corridor；Pipe network corridor should carry out comprehensive pipeline design, and use after planning administration administrative department passes；Pipeline (line)
It should be arranged under pavement, when that can not be arranged on pavement, preferably be arranged under slow lane or non-motorized lane as far as possible；4 lanes
And 4 the above width in lane road answer two sides arrange storm sewer；It is preferably two-way when dividing strip is wider or 6 lane of carriageway width
Sewage pipe, feed pipe, natural gas tube and the more pipeline of other stub interfaces are set；When under high-voltage power line laying, answer
Cable duct is set in both sides of the road, wherein a cable duct is high pressure designated lane；To prevent pipeline increase-volume or New raxa pipeline
Laying and excavated pavement again, reserve integrated pipe canal preferably at viaduct main line interface position and critical junction；Directly buried pipeline
Branched pipe should be arranged to meet the needs in both sides of the road plot, branch's tube spacing base area in certain distance in (line) or integrated pipe canal
Block is determined using function, is typically located at crossing, when crossing length is more than 500m, street crossing branch pipe should be arranged in every 300m distance；
Garage's underpasses and people's row channel roof thickness of earth covering be considered as arranging the needs of longitudinal pipeline, no less than 1.5m；
Kerb: kerb is preferably higher by 10~20cm of pavement edge, and linear bending section or steep section etc. in tunnel can be high
25~40cm of road surface out, and should have enough buried depths, to guarantee to stablize, kerb width is preferably 10~15cm, on grand bridge
Kerb height should be greater than 40cm；Kerb preferably uses vertical, and entrance preferably uses inclined or flat；Pavement and crossing width
Kerb is fit to do into inclined or flat in range, current convenient for carriage for children, wheelchair and disabled person；Separating belt end or intersection
At minor radius, kerb is fit to do into curved shape；Hard stone matter or cement concrete can be used in kerb material；Cement concrete pressure resistance
Spend not preferably less than 30MPa；
Road is flat, vertical alignment design: road plane position should be advised in detail road network laying by overall city planning and controlling；
Road plane is linear to be combined with landform, geology, the hydrology etc., and meets the technical indicator of roads at different levels；Road plane design is answered
It handles being connected for straight line and horizontal curve well, easement curve is reasonably set, superelevation, is widened；Road plane design should be according to city
Intersection, along the line building entrance, parking lot entrance, dividing strip is reasonably arranged in city's roading layout and category of roads
Fracture, public transport stop station location etc.；Vertical alignment design should refer to Urban planningcontrol absolute altitude and consider the vehicle of street building
Enter and leave；To guarantee traffic safety, comfortable, Alignment Design answers that smooth, round and smooth, vision is continuous, and longitudinal slope preferably delays suitable, and rise and fall unsuitable frequency
It is numerous；The vertical alignment design of road should comprehensively consider natural conditions, urban land property, road and region earthworks calculation, automobile
The factors such as economic benefit are runed, rationally determine Pavement Design absolute altitude；The driveway of motor vehicle and non-motor vehicle mixed running, is preferably pressed
Non-motor vehicle climbing capacity designs top rake.
Stopping sight distance on road plane, vertical section should be greater than or be equal to following table specified value:
| Desin speed (km/h) | 80 | 60 | 50 | 40 | 30 | 20 |
| Stopping sight distance (m) | 110 | 75 | 60 | 40 | 30 | 20 |
When the vehicle of Facing Movement has meeting possibility on driveway, Ying Caiyong meeting sighting distance, value is view of stopping in upper table
Away from twice；The double-lane road of Facing Movement, should as needed and Combining with terrain, and setting has and overtakes other vehicles in appropriately distance
The section of sighting distance.
Level-crossing planning and design: the planning and designing of level-crossing must be taken into consideration its effect in road network,
Equilibrium relation between a variety of conditions such as associated other level-crossings and section；Urban road intersection should be by urban planning road
Road network setting.Road intersection is appropriate to the occasion using orthogonal, it is necessary to which the angle of the crossing should be greater than or be equal to 45 ° when oblique, and dislocation is avoided to hand over as far as possible
More than fork, five tunnels and five tunnels intersect and deformity is intersected；Intersection design should be according to the function of road intersection, property, grade, design
Running speed, design hour traffic, flow direction and natural conditions etc. carry out.Such as built by separate periods, preliminary engineering should be later period enlarging
Reserved land use；The pavement of intersection corner, which is mated formation, preferably suitably to be widened, and appropriately organizes pedestrian's street crossing；The important friendship of through street
Prong should build overpass or underpass；Overpass or underpass are preferably built in important intersection on trunk roads；It hands over
Prong design must fully consider the integration with traffic signals and various traffic rules；The Vertical Design of intersection should meet driving
Comfortably, rapid and beautiful requirement is drained；The purpose of intersection design is specification vehicle, pedestrian track, allows driving vehicle
It drives into, leave, cross, turn and intersects etc. and be necessarily placed at a relatively small regional scope；To improve the traffic capacity, plane
Intersecting should take appropriate measures within the scope of inlet and outlet road to add lane；When major trunk roads intersect with trunk roads, usual friendship is preferably used；
When the Current Traffic for entering trunk roads and trunk roads intersection is more than 4000~6000pch/h, road intersection is four lanes
More than, it is settable three-dimensional to hand over and when taking Improving Measurements, adjustment traffic organization to be difficult to alleviate traffic congestion level-crossing
Fork, and properly settle the influence being arranged after crossings on different level to adjacent plane intersection；Level-crossing design includes: inlet and outlet road
Number of track-lines, inlet and outlet road lane width and sidewalk width；The traffic such as lane function division, traffic flow leading track, podium
Canalized design；Bus stop；Parking line position and pedestrian's street crossing lateral road width and position；Sight triangle；Vertical Design；Respectively
Class mark arrangement and the design of signal timing dial basic scheme etc.；The wagon flow for simplifying intersection, when necessary can forbidden part minor flow
To being discongested using road network, using Signalized control tissue traffic, it is ensured that the unobstructed and due service level of intersection；Road
The planning and design of intersection should guarantee that as far as possible road intersection is orthogonal；It is subject to conditions must not then use oblique when, should basis
The size of intersection condition and each flow reasonably organizes traffic, when necessary can forbidden part minor movement, using road network dredge
Solution, with ensure the safety of major flow with it is unobstructed；When having secondary distributor road and its ratings above road in road intersection, it is necessary to keep away
Exempt from staggered cross；Main roads preferably use straight line within the scope of intersection, and when using curve, horizontal curve is preferably used to be greater than and not set
The minimum radius of horizontal curve of superelevation；Desin speed refers to vehicle by entrance driveway and crosses fast by the traveling of intersection after exit ramp
Degree, generally takes 0.5~0.7 times of non-intersection speed, straight traffic takes high level, and left and right steering wagon flow takes low value；Intersection is vertically set
Meter should comprehensively consider comfortable, the draining factors such as unobstructed, project amount size and beauty of driving a vehicle, and rationally determine intersection designed elevation,
Design principle is as follows: two road intersection, the longitudinal slope of main roads preferably remain unchanged, and secondary road longitudinal slope obeys main roads；
Top rake in the scope of design of intersection, preferably less than or equal to 3%.It should be less than in difficult situation or equal to 4%, branch connect trunk
Road, and when the outlet of branch right road, it is not limited；Intersection Vertical Design absolute altitude should be coordinated with the terrace absolute altitude of surrounding building；
The number of track-lines in intersection carry out road should be added according to the volume of traffic, flow direction；The setting on intersection traffic island should effectively guide wagon flow
Smooth traveling avoids accidentally going；Import and export road dividing strip or traffic marking should require arrangement according to canalization, and should on section
Separate facilities linking.
Crossings on different level planning and design: when urban road intersects with highway, it is necessary to use crossings on different level；City is quick
When road is intersected with other roads, Ying Caiyong crossings on different level；(the intersection volume of traffic is super with the big other roads of the volume of traffic for trunk roads
Cross 4000~6000pcu/h) intersect, it is proved through traffic, in the transformation of usual friendship mouth or traffic organization difficulty, three-dimensional friendship can also be used
Fork；In transportation condition needs or the advantageous place of orographic condition, crossings on different level can also be used, such as road cross a river or across the end of railway
Portion, it is lateral opening using bridge, crossings on different level is set；It is limited by landform, setting plane traffic is more difficult, conducive to the road of setting grade separation
By comparing, crossings on different level can be set in mouth；Under the premise of meeting communication function, Ying Caiyong form is succinct, goes for crossings on different level
The specific ring road arrangement in direction is sailed, grade separation moulding should be with surrounding buildings and environmental harmony；When grade separation time phasing, should once set
It counts, stage construction, the Aided design of traffic mark, graticule and traffic safety measure must be carried out in first stage of the project；Urban
Intersection can be divided into two class of interchange and separate type crossings on different level；Interchange divides three by communication function positioning
Kind；
A type-hinge type crossings on different level；
Type B-collective and distributive type crossings on different level；
C-type-simple type crossings on different level；
Crossings on different level between highway and through street, between through street and through street preferably uses A type hinge type three-dimensional
Intersect, Type B, c-type crossings on different level can be used in the intersection between other roads；The basic pattern of interchange is by the trouble intersected
Number mesh is generally divided into following three kinds:
T shape is intersected: mainly having tubaeform, directional type T shape；
Y shape intersects: mainly having whole directional type Y shapes and semi-directional formula Y shape；
Decussation: mainly there is independent quadrant-type, diamond shape, cloverleaf (half cloverleaf) shape, tubaeform, annular and fixed
To formula；
Interchange region should have judgement to export before should having good sighting condition, main line to shunt nose needed for
Sighting distance；The designed driving speed in crossings on different level main line straight trip direction should be consistent with the designed driving speed in section；In city road
It in the grade separation of road, is influenced by its inlet and outlet, to ensure traffic safety, the speed within the scope of grade separation can be slightly less than the design vehicle on section
Speed, but the main line technical indicator within the scope of grade separation should not be reduced with speed；The designed driving speed of bypass system within the scope of grade separation
0.7 times of desirable section bypass designed driving speed, the designed driving speed of loop ramp takes the 40 of main line designed driving speed
~50%, the designed driving speed of semi-directional ring road takes the 50~60% of main line designed driving speed, directional ramp design speed
70% or so of main line designed driving speed is taken, also can use the designed driving speed close to main line；Pass through plane in crossings on different level
The desin speed of the secondary road straight traffic of intersection preferably uses 0.7 times of the desin speed of its corresponding category of roads；It is collecting and distributing
The designed driving speed of road should mutually be coordinated with ring road or bypass designed driving speed；Ramp Design speed refers in Ramp Alignment
The retainable maximum safe speed of urgent section institute, remaining section should travel adaptable speed as design with ring road speed change
Controlling value；Ramp Design speed is related with category of intersection roads, ring road type；Right turn ramp should use the upper limit or centre as far as possible
Value；Directional type and semi-directional formula left turn ramp preferably use the upper limit or median；Ring road cross section is by lane, side trip, urgent
Lay-by and maintaining roadway composition, the ring road that opposite direction separates should also include median strip, and the size of each component part provides as follows:
Curb-to-curb width is 3.5m, and bandwidth of stopping in emergency is 2.0m, and curb bandwidth is 0.5m, and 0.5m can be selected in maintaining roadway.
Road auxiliary equipment: city expressway median can set anticollision barrier, and anticollision barrier is arranged in trackside in principle；
High embankment section (height > 6m) and abrupt slope, near water, racings, the Dangerous Area such as Lin Yan reinforced concrete, glass line steel plate anticollision should be set
Guardrail or other effective safety protection facilities；City bridge and barricade of leading the way, curb level are not less than 40 centimetres；Work as curb
It should be added when stone height is less than 40 centimetres and set anticollision barrier；Major urban arterial highway guardrail can be set as needed；Guardrail should be set obviously
Indicate and meet traffic management department's requirement, movable rail should be arranged in when temporary traffic crossover lane；The small inferior grade of the volume of traffic
Road, on abrupt slope, near water, Lin Yan and high embankment section (height > 3m) should be arranged reinforced concrete, concrete, rectangular slab of stone shield stone or its
His effective safety protection facility；Concrete, rectangular slab of stone shield stone or other effective safety should be set as needed in special road
Protective equipment；The volume of traffic greatly and crosses the level-crossing section more than pedestrian, settable fence or hedgerow, to prevent pedestrian in people
Lane is passed through other than row lateral road；The arrangement of fence or hedgerow should not interfere the line-of-sight requirement of road；Acrossing highway, through street
Urban Bridge pavement on the outside of, fence, which is preferably arranged, prevents parabolic from jeopardizing vehicle safety；Road within the scope of main city zone, should by stages,
Subregion gradually establishes Intelligent road traffic information management system；Traffic warning mark should be placed in eye-catching place, any entity or individual
Advertisement and other labels must not be set at warning mark；Traffic indication signal system and people's row should be arranged in grade crossing
Cross the street signal system；Main city zone has formed the region of road network, the Ying Jianli intellectual traffic control network system；Road alignment variation
Place, it is necessary to which sight boot flag should be arranged in the section that sight guidance is carried out to driver；Main line turning radius smaller part, circle
There should be apparent steering sight line inducing mark on guardrail at road；At road shunting, grade separation bridge protective railings tail end, Directional island and
The easy place of colliding should set apparent guiding Warning Mark, induction sign and Collsion proof safety facility；Road lighting to expanded field of vision,
It improves intervisibility, sight is guided to have very good effect, to guarantee traffic safety, lighting installation should be arranged in downtown roads；Road lighting point
For continuous illumination, local lighting, tunnel illumination three classes；At road curve, to the undesirable intersection of sighting distance, can be according to specific need
Reflective mirror is set；In mountainous region, bend, sharp curve way section, intersection, garage exit/entry etc. are likely to occur the section of accident, must
Reflective mirror must be set；Reflective mirror size, shape and radius of curvature are determined as the case may be by designing；On through street, trunk roads across
Jiang great Qiao, major long tunnel, bridge, tunnel enter and leave both ends section, antiskid deceleration strip and road surface speed(-)limit sign should be arranged；Trunk roads
Road longitudinal grade is greater than 4%, should set speed(-)limit sign and road surface forced deceleration strip within the scope of away from intersection 100m；Road longitudinal grade is larger
Road, such as connect riverine (river) road T-shape and intersect, it is necessary to set deceleration strip；The intersection for not setting Traffic signal control with
And channel, entrance enter main and secondary road position, setting warning mark, yield signs and deceleration device；Longitudinal slope relatively greatly enhances descending
Road must set reduce-speed sign and deceleration strip along the line, while bogie passes through large percentage, should be according to degree of danger and section
Ambient conditions considers setting vehicle urgent danger prevention area；People's row crosses facility zebra crossing and overpass or people's row can be used
Road；In the trunk roads in city and in city expressway section, it is preferably 500m that people's row, which crosses facility spacing, on the section of secondary distributor road,
The spacing of crossing or underpass is preferably 250-300m；When road width is more than four car lanes, crossing is answered
Pedestrian island is set on dividing strip between the median strip or motor-driven road and non-motorized lane of driveway.
The setting principle of overpass and underpass: overpass and underpass must be arranged in through street；Heavy traffic
Overpass or underpass should be set at the dense through street of street pedestrian, trunk roads, the section of secondary distributor road or level-crossing；
Street pedestrian is intensive, influences vehicular traffic, causes at traffic Severe blockage；Vehicle flowrate is very big, and space headway is not able to satisfy street crossing
Pedestrains safety walks the section that needs or vehicle seriously jeopardize street pedestrian's safety；The stream of people concentrates, and train train number is frequent, pedestrian
Easily occur at accident across railway；Pedestrian flow amount across the crossing of intersection one is greater than 5000 person-times/h, and enters simultaneously
When the equivalent car transportation amount at the crossing is greater than 1200/h；By the pedestrian flow total amount of traffic circle up to 18000 people
Secondary/h, and when reaching 2000/h into the equivalent car transportation amount of traffic circle simultaneously；
Overpass and underpass setting requirements: the overpass and underpass in same street should unify consideration,
Primary or stage construction；Overpass, underpass entrance should be with neighbouring environmental harmony；Overpass, underpass
Setting should consider by permanent cross section is planned, and pay attention to closely at a specified future date combine；It is crossed the street for guidance pedestrian through overpass, underpass
Parallel works should be set, imported and exported preferably in conjunction with neighbouring intersection pedestrian crossing system；Overpass or genuine design should accord with
The requirement of urban landscape is closed, and is intimately associated with neighbouring ground or underground structure；It is answered at the entrance in overpass or tunnel
Plan that the collecting and distributing land used of the stream of people, area are not preferably less than 50m2。
Control of traffic and road facility: driver and pedestrian should be arranged in, it is readily seen that simultaneously can accurate interpretation in road sign
Full position.It is settable as needed to illuminate or use reflective, luminous sign；Various marks are generally located on vehicle traveling side
On the right side of to road or on dividing strip, sign board must not invade boundary line of road construction；Trackside formula mark should reduce Surface of sign board to driving
The dazzle for the person of sailing；Plate face should be vertical or angled with center line of road, shows the way or caution sign is 0 °~10 °, ban or refer to
Indicating will is 0 °~15 °；It is combinable to be mounted on a marker post when same place need to set two or more marks, but at most not
It should be more than four kinds, logo content is not answered contradiction, repeated；Yield signs, releasing speed(-)limit sign, releasing overtaking prohibited sign etc. should be single
Solely setting；Caution sign should be separately positioned on into before level-crossing, and difficult mountain terrain, S-curve terminus, are close at abrupt slope in sharp turn
Before the locations at risk such as road, narrow bridge, narrow road, level crossing, surface slipperinness, tunnel, traffic accident multi-happening section；Prohibitory sign should divide
Not She Zhi restricted speed, limitation axis, maximum height limit, Max. Clearance _M., no tooting, no parking, no left turn, forbids
It turns right, no turns, no overtaking, forbids certain vehicle or all vehicle pass-throughs etc.；Index traffic sign placement intersection into
To indicate vehicle heading, lane classification and crossing before mouth road, permit on the sections such as examination is braked, allowance is turned around；Refer to
Road sign will should be arranged in away from 30~50m of level-crossing, point the direction, place of arrival, distance；Interchange fingerpost
The longer section of distance is arranged between each face in intersection and two intersections in the preceding appropriate location of crossings on different level, road famous brand in will setting
Between；Ground upper boom line should be according to planning optimal crosssection, and parallel center line of road is installed, and meets the requirement of boundary line of road construction.
Roofbolt is preferably arranged in curb side strip；The part roofbolt on several way roads may be arranged in dividing strip, and pay attention to streetscape beauty；Traffic
Graticule type and set-up site determine by mark, graticule as road sign simultaneously, also to dredging and guide traffic and rule
Facility serves extremely important；Roadmarking should be designed according to road traffic engineering and road section pattern, determination of having a lot of social connections；
Roadmarking form has driveway center line, and driveway edge line, stop line, zebra crossing, gives way at lane line
Line, level-crossing central ring, carriageway width transition graticule, parking stall graticule, bus stop graticule, enters and leaves water conservancy diversion graticule
Mouth graticule, guiding arrow and road surface text or pictorial symbolization etc.；Protuberant guide post is affixed to the tag block of road surface upper process, answers
It is made into orienting reflex type, general section reflecting glass Bead is white, and Dangerous Area is red or yellow；Object marking may be provided in across
On the pier stud of line bridge, aqueduct etc. or on the wall surface of tunnel portal side wall end face, safety island etc.；Main city zone primary and secondary road phase cross-channel
Mouth should set traffic lights in principle, other crossings can need to be arranged according to road traffic；Signal lamp setting design should be according to friendship
Logical engine request is gradually controlled to line traffic control and face from and is controlled；Road information system provides device；Very Large Bridge, city tunnel, quickly
The big major trunk roads section of road, the volume of traffic, should be arranged Traffic Information collection device；Primary and secondary road intersects above intersection, tight
Condition of road surface monitoring system device should be arranged in the traffic sensitive spot of line segments；It is logical for protection road effective service life and vehicle
Vehicle parameter measurement facility can be set as needed in row safety, freeway toll station, city expressway entrance；
Parking lot: to guarantee the coast is clear and providing conveniently for masses, On Road Planning And Design should be set by national relevant regulations
Set Public parking area and Stop of bus field position；The parking area in parking lot and linking-up road should facilitate parking and disengaging；Main city zone
Public parking area is nearby preferably arranged in peripheral tracks transport hub station；It stops in emergency band and urgent danger prevention area；City expressway is most
It is good that the band that stops in emergency completely is set；In city tunnel, the band that stops in emergency should be set, its spacing is not preferably greater than 750 meters；Under continuous urgency
Urgent danger prevention area should be set as needed in ramp road.Its length is not less than 40 meters, and 5-7 meters of width, the gradient is reversed slope 10-
20%；To protect pedestrian, traffic safety, side slope safety facility should all be set as needed in city primary and secondary, Zhi Daolu；Design is answered
It is reinforced according to slope surface and geological condition, gunite concrete, setting rockfall protecting net, anti-fall stone walling etc. mode handle setting side
Slope safety devices；In the road section that city is especially important, the volume of traffic is very big, design will consider to compare common trench construction scheme；
Municipal supporting pipelines and traffic supporting pipelines should once build completion in road, and road section pipe space resource must be sufficiently sharp
With；City expressway and major trunk roads should be along completely pre-buried traffic monitoring pipeline, subsidiary road all fronts preferably pre-buried traffic monitoring pipelines；With
Pre-buried traffic signals street crossing pipeline is answered at the crossing of main and secondary road intersection and zebra crossing；The confession of traffic signals and monitor and control facility
Electric line is preferably derived from common transformer nearby, can be powered by nearest street-lighting transformer when unconditional.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (9)
1. a kind of road traffic Route Design Method, which comprises the steps of:
Step 1: design vehicle outer profile size and minimum turning radius, design traffic volume, road service grade classification, at different levels
Highway layout speed, road passage capability, intersection design capacity；
Step 2: urban public transport, bicycle traffic, pedestrian traffic, city square, Urban freight transport, urban road network
Layout, urban road intersection design；
Step 3: road Cross Section design；
Step 4: road is flat, vertical alignment design；
Step 5: level-crossing planning and design；
Step 6: crossings on different level planning and design；
Step 7: road auxiliary equipment design.
2. a kind of road traffic Route Design Method according to claim 1, it is characterised in that: in the step 1, if
The meter volume of traffic should calculate or survey annual average daily traffic (ADT) is as roading controlling traffic volume；Prediction should be chosen
Annual 30th peak hour traffic is as design traffic volume (DHV)；Design hour traffic is to choose through street, trunk roads
It was predicted by 20 years, subsidiary road was predicted by 15 years；(early evening peak) whole methods of operation during design should collect design hour
The volume of traffic and direction distribution (D).
3. a kind of road traffic Route Design Method according to claim 1, it is characterised in that: in the step 1, instead
The road service grade for reflecting the degree of crowding of road is divided into A, B, C, D, E grades.
4. a kind of road traffic Route Design Method according to claim 1, it is characterised in that: in the step 1, hand over
Prong design capacity includes level-crossing and traffic interchange design capacity.
5. a kind of road traffic Route Design Method according to claim 1, it is characterised in that: in the step 3, road
Road cross-sectional design includes design principle, boundary lines of roads width, optimal crosssection, motor vehicle lane and width of roadway, non-maneuver
Vehicle carriageway width, width of roadway, trackside bandwidth, parting strip, crown curve and crown slope, comprehensive pipeline arrangement, kerb.
6. a kind of road traffic Route Design Method according to claim 1, it is characterised in that: in the step 4, road
Lu Ping, vertical alignment design include but is not limited to plane, vertical alignment design principle, sighting distance, minimum radius of horizontal curve, superelevation.
7. a kind of road traffic Route Design Method according to claim 1, it is characterised in that: in the step 5, put down
Face intersections planning and design include but is not limited to design principle, the classification of level-crossing, different shape intersection traffic group
Knit the design parameter of principle, level-crossing.
8. a kind of road traffic Route Design Method according to claim 1, it is characterised in that: in the step 6, stand
Body Interaction programming and design include but is not limited to basic pattern and applicable elements, sighting distance, the design driving of interchange
Speed.
9. a kind of road traffic Route Design Method according to claim 1, it is characterised in that: in the step 7, road
Auxiliary equipment design in road includes but is not limited to design principle, road safety facility, control of traffic and road facility.
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| CN111105645A (en) * | 2019-12-31 | 2020-05-05 | 武汉理工大学 | Multi-dimensional hierarchical intelligent street-crossing early warning system |
| CN112611355A (en) * | 2020-11-03 | 2021-04-06 | 深圳市易智博网络科技有限公司 | Longitudinal section map analysis method based on road underground pipeline |
| CN113256970A (en) * | 2021-05-06 | 2021-08-13 | 哈尔滨工业大学 | Intersection driving safety evaluation method and system |
| CN116957308A (en) * | 2023-09-21 | 2023-10-27 | 武汉市规划研究院 | Urban road section planning method and system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111105645A (en) * | 2019-12-31 | 2020-05-05 | 武汉理工大学 | Multi-dimensional hierarchical intelligent street-crossing early warning system |
| CN112611355A (en) * | 2020-11-03 | 2021-04-06 | 深圳市易智博网络科技有限公司 | Longitudinal section map analysis method based on road underground pipeline |
| CN113256970A (en) * | 2021-05-06 | 2021-08-13 | 哈尔滨工业大学 | Intersection driving safety evaluation method and system |
| CN113256970B (en) * | 2021-05-06 | 2022-10-25 | 哈尔滨工业大学 | Intersection driving safety evaluation method and system |
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| CN116957308B (en) * | 2023-09-21 | 2023-11-24 | 武汉市规划研究院 | Urban road section planning method and system |
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Application publication date: 20190611 |