Portland's regionally-elected government that coordinates land use and transportation planning. A potential model for the D.C. region. Provides real-world examples. See the transformation of streets and strip malls into attractive, walkable areas through computer imagery. There are more than two dozen reports, with something for everybody, covering transportation costing, transportation demand management, optimal pricing, transit policy, transportation program evaluation, bicycle and pedestrian issues, traffic calming, and more.
Site also provides links to other interesting transportation policy and planning websites.