U.S. Bicycle Route 90 Goes through Sierra Vista
The east-west Route is 573 miles long and runs along existing state highways, local streets, and shared-use paths. U.S. Bicycle Route 90 connects the State border of New Mexico and the State border of California.
Links:
Interactive Map of the U.S. Bicycle Route System
AASHTO U.S. Bicycle Route System Plan
Adventure Cycling Association