Originally Posted by
Elola
When I crossed in February I was asked for my passport on each side of the border. Unless you have a NEXUS card you'll have to show your passport, no other documents are accepted (or even asked for in my case).
Some states (WA, NY, MI, VT) issue Enhanced Driver's Licenses that can also be used for land or water crossing into Canada and Mexico, or water crossings to the Caribbean.
http://en.wikipedia.org/wiki/Western...vel_Initiative