No idea in English, but all the signs are here: http://www.astra.admin.ch/dienstleis...x.html?lang=de
You can see if there are any that aren't reasonably clear, but that combined with drive on the right, speeds of 50, 80, 100, 120 in town, normal road, highway and motorway respectively is probably enough. Oh, and let buses out because they'll be expecting it and don't stop!
Driving license - 12 months. https://www.ch.ch/en/international-driving-licence/
Check out http://www.ch.ch
for lots of useful things.
ps. on-street parking in non-marked spaces is not allowed; one of the best Swiss laws in my opinion.