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January 20, 2018, 08:57:54 AM *
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Author Topic: West Somerset Railway - heritage line, Bishops Lydeard to Minehead - possible link to main line at Taunton (ongoing discussion)  (Read 55850 times)
Puffing Billy
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« Reply #180 on: January 12, 2018, 06:39:01 PM »

Trains into Minehead are controlled by the signal just before the crossing, operated by the Minehead signalbox - when the signal is switched, the road lights/barrier sequence starts, and the signal aspect does not actually change until the barriers are completely down. Trains out of Minehead are treadle-controlled - the platform starter is cleared in advance, and the train has to pull past it to reach the signalbox, where it picks up the single-line token. Almost immediately afterwards, it hits the treadle to start the road light/barrier sequence, and by the time it reaches the "crossing-clear" indicator light, the barriers should be down. So, as far as I know, the signalman has no control over the barriers for departing trains. In the light of that, you could say that without additional protection, full barriers might represent a tenuous safety hazard, because there is no "escape route" for a vehicle on the crossing.
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