Semaphores at the station

[morgis]

How to arrange the semaphores for the station to function? Is it possible at all?

[Eddi]

two simple rules:

1. at single arrows -> you place path signals that cannot be passed from the reverse side (the ones with the red sign), on double arrows <-> you place path signals that can be passed (without red sign)
2. all signals should be placed so that the back side is facing the switch/crossing, so a train waiting at the signal is completely on a straight track, not blocking any branches.

[morgis]

they work inefficiently with regular semaphores,

with entry and exit signals, trains get lost and traffic occur

two-way station, it seems like a good solution, it doesn't get traffic so much


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[odisseus]

First of all, there is an obvious signalling error in the top right corner. Trains can pass from top right to bottom left, but not in the opposite direction. This is why your trains get lost.

Secondly, it seems that like you haven't quite grasped the way signals work. There is a decent article about signals at wiki.openttd.org, and you should read it first.

Anyway, here is the golden rule of signalling:

A train may stop and wait indefinitely at any signal. Place signals only at the spots where a train can safely stop without blocking traffic in other directions.

The signals on the bypass tracks are placed incorrectly. If a train were to stop at one of these signals, its tail would block the junction, and other trains would be unable to enter the station. This is probably the cause of your traffic issues.

The wiki also has a decent gallery of various station designs. Not all of them are equally good, but there is some discussion of their advantages and problems.

[jfs]

Put signals right before danger points, and at the exit of station platforms.
Avoid signals right after danger points, so that trains don't block the crossing when stopped at the signal.

Use one-way signals for most things, use two-way signals if trains need to pass the signal in reverse to make all required movements.
One-way signals protect from trains getting lost because they went the wrong way, therefore use one-way signals most of the time.