Hi all, I made a step by step series on creating scenarios which may be of help!

1 - Making a basic scenario

https://youtu.be/KW4DBvLMbME

2 - Easy passenger train

https://youtu.be/8Gz-DUj9FQo

3 - Adding headboards

https://youtu.be/e7C6d02sl5k

4 - Double headed trains

https://youtu.be/-THkk7Po_lY

5 - Strange trains

https://youtu.be/k6e2RLMqnmg

6 - Portals

https://youtu.be/3UygmzGvD88

7 - A new scenario

https://youtu.be/wok6Ej6k8WE

8 - Station life

https://youtu.be/Lo5wiise2YQ

9 - Adding AI trains

https://youtu.be/W9MKLlJaOfg

10 - Testing and publishing the route

https://youtu.be/hxtNC1ejEYE