Re: PHOTOS: MNR Derailment (1261791) | |||
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Re: PHOTOS: MNR Derailment |
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Posted by Dutchrailnut on Mon Dec 2 16:01:31 2013, in response to Re: PHOTOS: MNR Derailment, posted by Joe V on Mon Dec 2 08:55:05 2013. Joe to force speeds you need to put a speed signal into signal block.signal blocks are much longer than average speed restriction. making short blocks would seriously impact safety as it could lead to rear end crashes. with PTC it will be different but cab signal is a 1930's technology only later modified with speed control. |