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| Re: (L) train this morning's commute DISASTER (1229872) | |||
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Re: (L) train this morning's commute DISASTER |
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Posted by SelkirkTMO on Tue Jun 18 18:55:19 2013, in response to Re: (L) train this morning's commute DISASTER, posted by j trainloco on Tue Jun 18 18:39:12 2013. After the Chambers Street fire on 8th Avenue, they broke out some supervision with radios to clear trains around the dark signals. Certainly a system as complex and expensive as CBTC should have some form of supervisory override as part of the design instead of just laying down, dying and smelling funny. Strikes me as though some parts of the design weren't well thought out for failure modes.Then again, you don't design a system around proprietary parts that may or may not be available any more after a mere couple of years. I hate to sound like a Luddite here, but building systems with a lifespan of a Windows PC replacing systems that were good for decades doesn't strike me as intelligent thought. Especially when failure mode results in nothing instead of at least some means of working around a failure. |
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