Here are three time lapses of roads in Portland. Times are from two seconds to 8 seconds.

Burnside Bridge 1024x768 Time Lapse Roads bridges
Burnside Bridge

271 and 26 1024x768 Time Lapse Roads bridges
Highway 26 and 217 Interchange

Highway 26 1024x768 Time Lapse Roads bridges
Same as above, but from a different angle