Intersection of Brown Material Road and California Route 33

Highway Web Sites
Field Guide to Interchanges Kurumi

Signs & Markers
World Highway Route Markers James Lin
Manual of Traffic Signs Richard C. Moeur, Professional Traffic Engineer
Signmaker Build your own

USA Roads
National Scenic Byways and Other Recreational Drives USA, by state
A road geek's tribute to interstates by zzyzx, with notes on every 2-digit route.

California Roads
California: Old U. S. Routes
California Highway Routes Unofficial
California Highways Home Page unofficial. links to other states and countries
Cal Trans home page
California highway conditions, by region. Thanks to Amdahl Corporation
I Hate Bay Area Traffic

Germany: Bundesautobahn
Arbeitsgemeinschaft Autobahngeschichte (AGAB) e.V.
Autobahnen in Deutschland with maps
Autobahn Tank & Rast AG Raststätten, Tankstellen und Motels an den Bundesautobahnen (filling stations, rest stops, and motels on the Autobahn)
Autobahn map mit Tankstellen u. Raststätten (showing filling stations & rest stops)
Baustellen an den Bundesautobahnen Autobahn construction zones