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US2347194A
(en)
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Traffic control device
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US3304539A
(en)
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Freeway access ramp traffic control
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BE420027A
(forum.php)
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US2170160A
(en)
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Traffic control system
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US2048740A
(en)
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Light sensitive apparatus
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US2149998A
(en)
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Traffic detector
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DE1154963B
(de)
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Einrichtung zur Verkehrsueberwachung
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US3167381A
(en)
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Vehicle speed detection system
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Pinnell et al.
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Inbound gulf freeway ramp control study ii |
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FR2824945A1
(fr)
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Procede et dispositif de guidage d'une automobile vers une destination
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US2199572A
(en)
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Traffic signal
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(en)
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Traffic control system and apparatus
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(en)
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Traffic signal controlled by vehicles
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FR2402559A1
(forum.php)
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US2119593A
(en)
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Traffic signal system
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US3431553A
(en)
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Signal,especially for traffic and vehicle control
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RU2842891C1
(ru)
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Способ помощи водителю для пересечения перекрестка на разрешающий сигнал светофора
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US909146A
(en)
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Relay.
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US2135525A
(en)
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Automatic variable traffic regulator
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US1522617A
(en)
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Traffic-signal device
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(en)
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Traffic control signal
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USRE21084E
(en)
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Variable traffic signal |
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BE395813A
(forum.php)
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Preist
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The author's reply to the discussions on “Electrical control of road traffic by vehicle actuation” at London, Leeds and Edinburgh |
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BE366477A
(forum.php)
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