Until now, all stations were either terminal stations or through station. However, there is often a need to have a station combining both parts, so that certain trains turn around and others do not. In these example stations, only trains entering from the bottom left will be able to reverse, but it is easily possible to change the design so that reversing is possible for both directions.
Turning around allowed
The first part are layouts which only work if trains are allowed to reverse at stations. This can be controlled in the game settings. Depending on your style of playing, it can be enabled or disabled, many players disable it, because train behaviour gets easier to understand.
In this layout, trains change to the left side in front of the station and enter the leftmost tracks. Trains going straight ahead use the platforms to the right. To prevent trains from entering the same platform from both ends at the same time, through signals have to placed on both ends of the station. In addition, the path signals at the station entry (lower left) are restricted, so that trains enter the correct side of the station. The criterion is the station of the next order, i.e. the station after this one. Using waypoints would be possible as well, the layout would need a bit more space.
This is one half of a station design by krtaylor from tt-forums.net. After loading, a train turns around, heads for the waypoint and leaves. The original design had this kind of entry junction on both sides, allowing trains from both directions to reverse. The design works very well even with heavy traffic, and it can easily be expanded.
No turning around
If trains are not allowed to reverse in stations, one either has to build loops behind the station or build the platforms in such a way that trains enter a platform which is a dead end, forcing it to turn around.
This is a compact layout that includes a loop to allow trains to turn around after they visited the station. However, the entry junction where the loop leads into might become a bottleneck rather soon. Note the use of restricted routing for the signals to the lower right leading away from the station. This ensures that trains take the correct way. The criterion would be the station of current order. One could simply build a waypoint to the left of the station, trains going to that waypoint may use the loop, all others have to go straight ahead.
This is another loop layout, making use of the terrain. Again, the signals at the station exit on the right are restricted, so that trains do not use the bridge if they should not do that. Thanks to the extended bridge heads the layout is very compact.
This station is designed for heavily trafficked lines which should not be blocked by trains turning around crossing junctions in different directions. It uses an extra terminal platform in the middle. Trains that should turn around go there. After loading, the train reverses and leaves the station. Depending on the number of trains, the number of platforms may also vary. The important thing here are the routing restrictions again, which make sure that the trains enter the correct platforms. One could also use waypoints, this would make the layout a bit bigger.
