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  2. Signalling of the Toronto subway - Wikipedia

    en.wikipedia.org/wiki/Signalling_of_the_Toronto...

    The Toronto subway uses a variety of signalling systems on its lines, consisting of a combination of fixed block signalling and moving block signalling technologies.. The oldest signalling system is known as automatic block signalling and was designed for the system's heavy rail lines: Line 1 Yonge–University, Line 2 Bloor–Danforth and Line 4 Sheppard.

  3. List of IP protocol numbers - Wikipedia

    en.wikipedia.org/wiki/List_of_IP_protocol_numbers

    1 ICMP Internet Control Message Protocol: RFC 792: 0x02 2 IGMP Internet Group Management Protocol: RFC 1112: 0x03 3 GGP Gateway-to-Gateway Protocol: RFC 823: 0x04 4 IP-in-IP IP in IP (encapsulation) RFC 2003: 0x05 5 ST Internet Stream Protocol: RFC 1190, RFC 1819: 0x06 6 TCP Transmission Control Protocol: RFC 793: 0x07 7 CBT Core-based trees ...

  4. List of telephone switches - Wikipedia

    en.wikipedia.org/wiki/List_of_telephone_switches

    EAX #1; EAX #2; EAX #3; ESU 3072 Line; FW1 (Four Wire 1 Toll Switch) GTD-3 EAX (Toll switch, NOT CCS7 capable although CCIS capable) GTD-5 EAX (Class 5 switch, many in use today, was the primary switch in former GTE exchanges. Now supported by Lucent.) GTD-120 Digital PABX; GTD-1000 Digital PABX; GTD-4600 Digital PABX; OMNI-S1 Digital PABX ...

  5. List of Toronto subway stations - Wikipedia

    en.wikipedia.org/wiki/List_of_Toronto_subway...

    The Toronto subway is a system of three underground, surface, and elevated rapid transit lines in Toronto and Vaughan, Ontario, Canada, operated by the Toronto Transit Commission (TTC). It was the country's first subway system: the first line was built under Yonge Street with a short stretch along Front Street and opened in 1954 with 12 stations.

  6. S series (Toronto subway) - Wikipedia

    en.wikipedia.org/wiki/S_series_(Toronto_subway)

    The S series was the rolling stock of light metro used on Line 3 Scarborough, part of the subway system of Toronto, Ontario, Canada.They were built from 1983 to 1986 for the Toronto Transit Commission (TTC) by the Urban Transportation Development Corporation (UTDC) in Millhaven, Ontario.

  7. Transportation Technology Center - Wikipedia

    en.wikipedia.org/wiki/Transportation_Technology...

    The Transportation Technology Center (TTC) is a railroad equipment testing and training facility located northeast of Pueblo, Colorado, owned by the Federal Railroad Administration (FRA). It was built in 1971 as the High Speed Ground Test Center ( HSGTC ) for the Department of Transportation (DOT) and its original purpose was to test several ...

  8. Urban Transportation Development Corporation - Wikipedia

    en.wikipedia.org/wiki/Urban_Transportation...

    In 1980 this was estimated to be between $75 and $80 million a mile. [3] The TTC suggested that all of the high-density routes suitable for subways were already being served. The other vehicles in use with the TTC, buses and streetcars, would not be able to provide rapid transit unless they were given a separate right-of-way.

  9. Automatic train control - Wikipedia

    en.wikipedia.org/wiki/Automatic_train_control

    Starting in 2017, the Toronto Transit Commission began the implementation of ATC on to Line 1 Yonge–University, at a cost of $562.3 million. Awarding the contract to Alstom in 2009, the TTC will be able to reduce the headway between trains on Line 1 during rush hours, and allow an increase in the number of trains operating on Line 1. [ 14 ]