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Old September 19th, 2017, 12:59 AM   #4561
LTA1992
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Quote:
Originally Posted by luacstjh98 View Post
Didn't someone say CBTC was already up between 74th and Flushing?

(also, really, a 10th Avenue extension of the L might also help - but they better build out the SAS first)
Yes it is. 74th to 33rd by October. 33rd to Hudson Yds by December. Testing, of course.
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Old September 22nd, 2017, 10:05 AM   #4562
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What is CTBC?
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Old September 22nd, 2017, 11:00 AM   #4563
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Communications-based train control

CBTC is a continuous, automatic train control system utilizing high-resolution train location determination, independent from track circuits; continuous, high-capacity, bidirectional train-to-wayside data communications; and trainborne and wayside processors capable of implementing Automatic Train Protection (ATP) functions, as well as optional Automatic Train Operation (ATO) and Automatic Train Supervision (ATS) functions (from IEEE 1474 standard).

CBTC is a railway signaling system that makes use of the telecommunications between the train and track equipment for the traffic management and infrastructure control. By means of the CBTC systems, the exact position of a train is known more accurately than with the traditional signaling systems. This results in a more efficient and safe way to manage the railway traffic. Metros (and other railway systems) are able to improve headways while maintaining or even improving safety (from Wikipedia).
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