....following routes with signs that say "East" or "West" ...
i recall a couple of spots crossing the blue ridge, highways coming from
different directions would converge, being routed together, you could be
going both north and south traveling in the same direction.
there was one highway with three routes together, with signs indicating
one was concurrently traveling east, south and north.
as to telling direction:
https://itotd.com/articles/2411/13-w...-in-the-woods/
https://pursuingoutdoors.com/tell-di...thout-compass/
and about crossing the missississiissipppi:
https://www.wikihow.com/Build-Rafts
https://th.bing.com/th/id/R016f70014...sl=&pid=ImgRaw