CA489679A - Centralized traffic control systems - Google Patents

Centralized traffic control systems

Info

Publication number
CA489679A
CA489679A CA489679A CA489679DA CA489679A CA 489679 A CA489679 A CA 489679A CA 489679 A CA489679 A CA 489679A CA 489679D A CA489679D A CA 489679DA CA 489679 A CA489679 A CA 489679A
Authority
CA
Canada
Prior art keywords
control systems
traffic control
centralized traffic
centralized
systems
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA489679A
Other languages
French (fr)
Inventor
T. Pascoe Frank
L. Jerome Arthur
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Rail STS USA Inc
Original Assignee
Union Switch and Signal Inc
Publication date
Application granted granted Critical
Publication of CA489679A publication Critical patent/CA489679A/en
Expired legal-status Critical Current

Links

CA489679A Centralized traffic control systems Expired CA489679A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA489679T

Publications (1)

Publication Number Publication Date
CA489679A true CA489679A (en) 1953-01-13

Family

ID=35629407

Family Applications (1)

Application Number Title Priority Date Filing Date
CA489679A Expired CA489679A (en) Centralized traffic control systems

Country Status (1)

Country Link
CA (1) CA489679A (en)

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