Also, yeah, if you start spotting irridated wanderers above ground, then you’ll know you’re in the right place.
The town itself is more or less the same in all worlds. Pump station, salon are the unique buildings, but there’s also a pawn shop, bank, gas station, police academy, and a whole bunch of craters.
Wear the badge. Not sure if you need it, but if you don’t become a marshal in the old guard missions the guys down there won’t give you missions.