AI Train Oddity - See Screenshot

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  • CNW 5099
    Senior Member
    • Jul 2006
    • 196
    • .

    #1

    AI Train Oddity - See Screenshot

    The passenger service, 93, is shown to be in run mode with clear signals along it's path yet it's stuck at 0 mph. Also under mode it says S+175. I checked the OR log and found nothing relating to this situation. Any idea on what I'm missing here?
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    Last edited by CNW 5099; 03-05-2026, 00:44.
  • frliss
    1000 Post Veteran



    • Mar 2011
    • 1078
    • MP44.2 Worcester, MA
    • General

    #2
    There are a few older engines out there that have Maxpower mistakenly rated in KN rather than KW. Check the .ENG file. This may be the cause of the problem.

    Fred



    Flashing Rear End Device

    Comment

    • CNW 5099
      Senior Member
      • Jul 2006
      • 196
      • .

      #3
      Thank you but unfortunately that's not it. I did check the .eng file and max power is rated in KW. I think it may be a signal error after looking for answers on Elvas Tower. Someone posted about AI trains being stuck along the Allegheny route and I had a similar issue with it as well. They said the signals were laid out in an odd way. I don't know if people had the same issue with the GN Hi-Line but I'm going to take a look now.

      Comment

      • CNW 5099
        Senior Member
        • Jul 2006
        • 196
        • .

        #4
        I resolved it just now actually. WB train was on the EB path somehow. Hopefully no further issues rear their ugly head.

        Comment

        • CNW 5099
          Senior Member
          • Jul 2006
          • 196
          • .

          #5
          Well, I thought I resolved it. The train is now stuck just south of Nyack, at Red Eagle. I'm at my wits end here. I've even changed the SigNumAhead from 3 to 4 and am having no joy. So close to finally completing the build for this activity and can't get to the finish line.

          Comment

          • Snowman
            Senior Member


            • Apr 2001
            • 214

            #6
            Just a shot in the dark, but maybe something to do with location linked passing path processing. Say that three times over..

            Comment

            • johnnyboy99
              Senior Member


              • Nov 2014
              • 373
              • General

              #7
              i've once had a problem where I "fast forward" an activity to see an AI train and an AI train just randomly disappears without warning

              Comment

              • CNW 5099
                Senior Member
                • Jul 2006
                • 196
                • .

                #8
                Originally posted by Snowman
                Just a shot in the dark, but maybe something to do with location linked passing path processing. Say that three times over..
                I've tried turning that off too, but it doesn't make a difference. There's a deadlock somewhere, but I don't understand why. There are more than enough places where trains can pass each other without the possibility of a standoff.

                Comment

                • oper190
                  1000 Post Veteran



                  • May 2010
                  • 1498
                  • Port Charlotte, FL
                  • English
                  • MSOR

                  #9
                  Had that happen from time to time, not that often, but have come to the conclusion it has to do with the paths and passing points done in the MSTS Activity Editor when running OR.
                  Geary "Mr. Hart" Gerhardt - Owner and CEO of Hart Rail Lines, Hart Commuter Railways, and Hart Rail Cars. Also the defunct Hart Electric Transit.
                  Its Your Train Sim World, sim as you please.

                  Comment

                  • CNW 5099
                    Senior Member
                    • Jul 2006
                    • 196
                    • .

                    #10
                    Originally posted by oper190
                    Had that happen from time to time, not that often, but have come to the conclusion it has to do with the paths and passing points done in the MSTS Activity Editor when running OR.
                    The thing is I used the OR Path Editor to create the paths. Maybe if I knew what the S+284 meant under "mode" I might come closer to figuring out the solution. I did post about this issue on Elvas Tower but no one has responded in nearly 24 hours so who knows if it will ever be resolved. I'd like to resolve it so I don't have the same issue don the line.

                    Comment

                    • oper190
                      1000 Post Veteran



                      • May 2010
                      • 1498
                      • Port Charlotte, FL
                      • English
                      • MSOR

                      #11
                      Okay- could also be a signal scripting issue. Don't know what "S+284" means either.
                      Geary "Mr. Hart" Gerhardt - Owner and CEO of Hart Rail Lines, Hart Commuter Railways, and Hart Rail Cars. Also the defunct Hart Electric Transit.
                      Its Your Train Sim World, sim as you please.

                      Comment

                      • CNW 5099
                        Senior Member
                        • Jul 2006
                        • 196
                        • .

                        #12
                        I finally solved the mystery of S+284; according to the manual, the S stands for Signal mode and the 284 is the number of minutes it has been delayed by something or another. What I haven't figured out was the cause of said delay. I created a new path for the initial troublesome WB passenger train that started in Belton and came west to Whitefish, avoiding whatever problem area caused the train to get stuck at Red Eagle. However, my first eastbound train reached Belton and it has the same problem; stuck just past a signal.

                        When I switch to this AI service there is a speed limit of 0mph in the track monitor and because of this erroneous speed limit the train will not move on it's own. Again, I had this same experience on the Allegheny route and even after taking control and moving them on my own, once I relinquished them back to the AI they would randomly stop again with a 0mph speed limit. I've searched and searched and I haven't seen any other topic on this issue with AI trains becoming stuck due to random 0mph speed limits.

                        Comment

                        • CNW 5099
                          Senior Member
                          • Jul 2006
                          • 196
                          • .

                          #13
                          I guess I didn't do enough searching because I actually found that this was a previously discussed issue and a solution was provided.



                          I'll see if this works for me.

                          Comment

                          • CNW 5099
                            Senior Member
                            • Jul 2006
                            • 196
                            • .

                            #14
                            It worked. :-) Thank you Lukas.

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