Trains navigating strangely - HELP!

If this is the wrong section, sorry, i saw no other section for this.

I just made a simple route, to make a timetable for it, then add on more track gradually.
At the moment it is 3 stations, double track. There are points at each terminus station. All stations are 2 track island platforms. A train starts at each terminus station, and 2 start, in opposite directions, at the middle station. Each station is 2900 metres apart, so the idea is that the trains will arrive at the centre one at the same time.

Track 1 is platform 1's, and track 2 is all platform 2's.

Train D from Middle station heads on track 1 towards South station, to arrive in platform 2, which has been vacated by train A. Platform 1 is empty.
The train navigates to South platform 2, loads, and waits 10 seconds. It its next stop is Middle platform 2. It leaves platform 2, heading on track 2, towards a green signal. As it approaches the signal, it is travelling in reverse. It stops short of the signal, and starts driving forward, with the points having been switched to platform 1. It heads back towards South platform 1. Train C approaches from the North, heading for Platform 1. Both trains stop. A message tells me that train D cannot switch junction 22.

The setup at South station:

P1 South Station P2

Junction 22 Junction 19
Junction 21 Junction 20

Junction 20 and 22 are linked, as is 21 and 19.

Train C messages saying it cannot proceed as the block is occupied. Train D sits for a moment, before it starts driving in reverse, back over junction 20, leaving junction 22 aligned with track 1. Train D reaches the speed limit, 120, and drives to Middle, platform 2. Train C enters platform 1.

At Middle station, train B is arriving at the same time as train C. As the stations are the same distance apart, using the same trains, then the same thing must have been happening at North Station, however I recived no messages from Trains A or B. Upon watching all 4 trains i see the same thing is happening at both stations, each time.

So, what is going on with the trains? Is there a way to fix this without changing track or platforms that trains arrive from, as I plan on adding in trains E and F, to make every platform full when the driver mode starts.

Thanks.
 
Hello Bomberswarm2,
Is it possible to get a picture ( screenshot ) of the situation?
Best regards
Kurt :wave:
 
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You do not say how many signals you have between stations, you probably need at least two, preferable three to act as distant (between the starter and home signals, home ( at entry to station), and starter (after station).
 
Ya, AI drivers are like dumb cluck pigeons, following detailed trails of bread crumbs. If enough bread crumbs are not specifically laid down, inch by inch, telling AI exactly what to do, the AI pigeons begin to find the shortest route, making up their own rules, wandering about, backing up, stalling at green signals, and oftentimes causing the stupid AI Pigeons to wander out into the road, only to get squeeshed by traffic :hehe:

No one has actually seen baby pigeons ... as they are born in the old sneakers, that are thrown over the telephone pole wires.

OoqHi.gif
 
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As Mr. Cascade has eluded to, using a combination of track marks and signals, you can keep the AI on track, figuratively speaking, and they will do what they are supposed to. Since your route is a direct, point A to point B, to Point C, you might want to try the Drive-To commands rather than the Navigate to. The Drive-To commands are better suited for this type of operation as the AI will wait more patiently at signals instead of attempting to go around an obstacle.

In addition to the track marks, you may want to try direction markers. These are the yellow arrow objects, in the same list as the track marks which are red. These act as one-way signs and will keep the AI going in the proper direction as well as prevent them from taking short-cuts at crossovers.

As others have suggested, it would be helpful if you could post up a picture of your route as that would help 'splain' things a bit better. You will need to use an outside photo-hosting service such as Photo Bucket then link back to the forums.

John
 
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