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| Re: **Breaking News** - Metrolink Train collides with freight train (680832) | |||
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Re: **Breaking News** - Metrolink Train collides with freight train |
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Posted by trainsarefun on Sat Sep 13 20:02:13 2008, in response to Re: **Breaking News** - Metrolink Train collides with freight train, posted by Jersey Mike on Sat Sep 13 18:35:47 2008. In this case the engineer was probably accustomed to going at 40mph out of the station and maintaining it around the bend.But I'm not sure why that would be the case. The DIB rule seems to reinforce approach rule in that the engineer should operate his train prepared to stop at the next signal. What's the 40-0 mph comfortable braking distance on three BBD bilevels hauled by the particular Metrolink locomotive in question? You seem to be the DIB rule somewhat like a grade timed signal on NYCT, but is that correct? The NYCT expectation is that the engineer should approach at the posted speed expecting the next signal to clear (to be sure, any engineer who actually guides his train towards a grade timed signal at the posted speed is probably living dangerously, but leave that aside). But the DIB rule offers no expectation that the next signal will be clear if the engineer guides his train at it with a speed of 40 mph. Rather, the engineer is supposed to ensure that his train doesn't exceed 40 mph, and also ensure that his train is able to stop at the next signal. Is that your understanding as well? What should have jogged his memory might have faded into the background. This is certainly possible, but it still seems like a clear lapse in judgment. The engineer should know that the last signal was an approach, but even if he doesn't know that, he should know that it was governed by the DIB rule. And if he forgot both of those things, then he should stop and radio control. Leaving the station and going at MAS seems to indicate that the engineer is behaving as though he were instructed by a clear signal. Also, the DIB rule doesn't help if the STOP signal looks like an Approach for some reason to the engineer. This is true, although possibly by that point in time, the engineer would have seen the UP train. I haven't read that either train applied brakes, although that doesn't mean that brakes weren't applied. |
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