Hey, so I made my first mod here: https://www.beamng.com/resources/traffic-battle.5810/ It's a course across West USA. This mod has four AI vehicles that are re-used at various points to make the world feel a little more lived in, and provide an additional challenge to getting a good time. The speed and aggression of the vehicles is slightly randomised, so they shouldn't always be in the same place at the same time. I wanted to build this to learn the basics, and may experiment with some other ideas, but I'd like to get this tweaked as well. If you're interested in setting AI for your own mods, or moving cars about the map out of site of the player, you might find the code interesting too. It looks like people find the car tricky, so what car people would prefer? Let me know any other issues or suggestions, but I'll probably only make small changes on this for now.