If you jump off the train when it is stopped on some bridges, you can enter the town, although not so far into the roads. Let's find out those "secret drops" and share here. This secret drop is at Nahverkehr-Dresden Route - Wrong Road scenario, at a bridge between "Koswish" and "Wenbela". I'm playing the Chinese version, so I don't know the exact spelling of the station name. You can figure it out.
You can do this in Birmingham at Proof House Junction, where the Lichfield lines branch off from the main line. I ran out of the cab (rather than climb down), went over the bridge parapet and landed on the road below. I was able to explore for about 5 minutes before getting trapped in a hole.
This is a fun idea. I’ll give it a go. long ago I did jump off the viaduct in ECW and explored as far as I could there. Could t get back after that! Invisible walls kept me outside the playing area.
XD I did this on the LIRR today while collectable hunting. Sadly didn't take any pictures, but it was off of one of the bridges at Queens Village. Can actually explore quite a bit around the area, and make it to the 2nd bridge too. Even possible to collect one of the fence collectables too, just from the other side of it (which is what I was looking for when I fell through). Really cool concept though for a thread, and will have to remember to take some pictures in the future the next time it happens.