Cab Signals News Today : Breaking News, Live Updates & Top Stories | Vimarsana

Enforced the signals. now they didn't have enforcement of speed controls or work zones. but -- and then on the amtrak, on the northeast corridor, they basically -- they have had probably the most advanced signal system in the u.s., certainly, and canada. and they were installing positive train control even when i was there. we were starting to put it in on certain stretches of track. where we -- we always had cab signals, we always had signal enforcement. but we were putting in the positive train control for work zones and speed restrictions back -- and i was at amtrak -- i left there in '05. ...

That's the way it's designed to work. now, there's another thing that nobody has talked about. they thin these trains with an override switch where you could turn off the cab signals. that had to be what happened in this case. that the engineer -- and it's a common practice when there's a problem that they don't want to be bothered by the cab signals has another toggle switch available to them. they simply pull out the little seal that protects that toggle switch, turn it off. >> so it's as if your car -- the bell chiming on something that tells you, it's as if in your car you had a switch you...

Buzzer. the difference is on a train, if you don't address the problem that set off the alatter, and in this case the alarm would be after overspeed pedestrian alarm, the train will stop itself. that's the way it's designed to work. now, there's oots thing that nobody has talked about. they thin these trains with an override switch where you could turn off the cab signals. that had to be what happened in this case. that the engineer -- and it's a common practice when there's a problem that they don't want to be bothered by the cab signals has another toggle switch available to them. they simpl...

With a diesel locomotive from the back of the train. >> but there was no neng the front? >> there is no engine in the front. those are unpowered cars from a traction point of view, yes. >> do we know if the signals were functioning -- >> if the cap signals. >> do we know if the cab signals were functioning properly. at this point it's too early to tell but we will certainly look at. well, we've had a chance to thoroughly look over the scene and start documenting the condition of the rails. start documenting the condition of the cars. and then night fell. >> how fast was it going? >> how concer...

The back of the train. there's no engine in the front. those are unpowered cars from a traction point of view, yes. do we know if the signals were functioning? >> the cabs. >> do we know if the cab signals were functioning properly? at this point, it's too early to tell. we'll certainly look at it. we've had a chance to thoroughfarely look over the scene and start documenting the condition of the rails. start documenting the condition of the cars. and then night fell. >> how concerned are you of the speed cars? there was an second accident. are you worried about how this -- maybe speed was a f...