U.S. Department of Transportation
Federal Highway Administration
1200 New Jersey Avenue, SE
Washington, DC 20590
202-366-4000
Para información sobre este material visite la página web (For information about this material go to): http://safety.fhwa.dot.gov/ped_bike/
U.S. Department of Transportation
Federal Highway Administration
National Highway Traffic Safety Administration
FHWA-SA-06-09.