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Line 1/4 breakages at Coulomb Street Triangle

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avatar From: OP
Mon, 24 Dec 2018 17:12:01 -0000

Subway lines 1 and 4 regularily fail because of some events around the

Coulomb Street Triangle, namely:

- Train in Jungle eastward does not get proceed

- 2 trains jam in the tunnel before Cow Bridge northbound

- L1 train jams with L6 train on the join turnout towards Stn (L1 always

stands at the same place, with the first wagon right on the turnout

- Trains in Erd4W do not get proceed

My suspicion is that this is caused by one or a combination of of the


- L4 ignores stop at Uic4E

-> thus passing into shared tunnel at speed of 2, following L1 drives

up, stops, L4 frees section, following train jams.

- L1/L4 ignore LATC rail at 1/4 divider turnout (approaching from Cow

Bridge southbound)

-> Erd4W is not freed

-> If L1, train is emergency-braked by CST intermediate stop and comes

to halt right on the join turnout to line 6

avatar From: Someone else
Wed, 23 Jan 2019 12:06:01 -0000

obsolete, as the section in question has been equipped with interlocking.

avatar Status Update
Wed, 23 Jan 2019 12:06:01 -0000
This bug was closed.