THE VIDEO SHELF · train signaling
CBTC: Communications-Based Train Control
An MTA video on communications-based train control, the system meant to replace the New York City subway's century-old signaling. It also shows the mechanical interlocks and signals in use today.
Why HN readers recommended it
Cited as a view into how outdated and error-prone NYC subway signaling is, and how antique interlocking systems work.
This is a summary from the source dataset, not an endorsement by Hacker News or the video creator.
Video & recommendation details
- Creator / channel
- mtainfo
- Topic
- train signaling
- Format
- explainer
- Level
- general
- HN recommenders in dataset
- 2
- HN mentions in dataset
- 6
- Recommendation years in dataset
- 2015–2022
These counts and years describe the included Hacker News records; they are not YouTube views or the video’s publication date.
From the original HN conversations
Excerpts from the recorded comments. Follow each source for the full comment and surrounding discussion.
There was this great video last year, illustrating how outdated and error prone the signalling technology in the NY subway is: [VIDEO]
peletiah on Hacker News · 2016-04
In System Overload"They even put out a video that gleefully shows off the worst stuff. Look at how broken it is! Look at how old!" [VIDEO] Well made video that helps understand the interlocks - if you like antique systems!
robocat on Hacker News · 2018-12
In Why New York Subway Lines Are Missing Countdown Clocks (2015)
Summaries, classifications and recommendation records are from the HackerTube source dataset. Read about this library and its limitations.