Sometimes browsing the library stacks can help you find books you didn't even know you were looking for. The following are good areas to peruse.
HE 305-311: Urban transportation.
HT165.5-169.9: City planning.
HT330-334: Metropolitan areas.
HT 351-352: Suburban cities and towns.
HT 361-384: Urbanization. City and country.
HT 388: Regional economics. Space in economics.
HT 390-395: Regional planning
Maps of the library are available at the 2nd floor Reference Desk, elevator lobbies, and also online.
Results include both print and ebooks, available from Portland State Library and the Summit Libraries.
Here's a list of subjects that might interest you. You might consider using some of them as search terms to see if you get better results.
|City Planning||City Traffic||Streets|
|Streets— Design & Construction||Traffic||Traffic Engineering|
|Transportation||Transportation Engineering||Urban Transportation|