Vancouver is a relatively easy city in which to bicycle. Then after crossing the border into Washington, you'll be riding on narrow two-lane roads on level terrain. There are no shoulders, and traffic is light. Bellingham is a larger town with moderate traffic and some congested intersections. SR-20 south of Anacortes and Whidbey Island has some rolling to hilly terrain. There are several narrow two-lane sections and congested areas near the island's...