Manual on Uniform Traffic Control Devices: Difference between revisions

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* [http://www.ncutcd.org/ National Committee on Uniform Traffic Control Devices (NCUTCD)]
* [http://www.mycrazyhobby.com/ mycrazyhobby.com | a collection of street signs and traffic lights]
* [http://phoenix.gov/STREETS/rightway.html]
 
[[Category:Transportation in the United States]]