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 towns; traffic is generally light away from SR 20. South of Port Townsend the route is rolling to hilly on mostly low-traffic rural roads through farms and forests. From Castle Rock in southern Washington you'll face some steep climbs across low hills to Ocean Beach Rd. along the Columbia River. In Oregon, you'll ride west on US 30, which carries moderate traffic and has wide shoulders most of the way into Astoria, the beginning and end points for the TransAmerica Bicycle Trail and the Lewis & Clark Bicycle Trail.

More information about this route is available here.