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Numerous Arizona Department of Transportation (ADOT) signs are based on the Arizona Manual of Approved Signs (MOAS). This official list of roadway, highway and traffic signs for Arizona state highways stipulates standard codes and designations for signs specific to Arizona.
The MOAS includes the following types of signs:
Regulatory Signs include stop, yield, speed limit, turn lane, bike lane, do not pass, keep right, do not enter, one way, wrong way, no parking and railroad crossing.
Color Schemes: Black, Red, Orange, White, Yellow, Green, Brown, etc.
Warning Signs and Object Markers include turn, curve, winding road, crossroad, intersection, stop ahead, signal ahead, reduced speed limit, merge, lane ends, divided highway, grade, soft shoulder, truck crossing, and gusty winds.
Color Schemes: Black, Red, Orange, White, Yellow, Green, Brown, etc.
Route Marker Signs include interstate route signs, U.S. route signs, state route, county route, scenic road, detour and arrow signs.
Color Schemes: Black, Red, Orange, White, Yellow, Green, Brown, etc.
Guide and Information Signs include destination and distance, Arizona DOT signs, street name signs, parking area, rest area, historical marker, port of entry, gas, food and lodging and elevation.
Color Schemes: Black, Red, Orange, White, Yellow, Green, Brown, etc.
Work Zone Signs include road work signs, pilot car signs and no pavement marker signs.
Color Schemes: Black, Red, Orange, White, Yellow, Green, Brown, etc.
School Signs include school, school bus turn ahead, reduced school speed limit, and end school zone.
Color Schemes: Black, Red, Orange, White, Yellow, Green, Brown, etc.
Recreational and Cultural Interest Signs include smoking, tunnel, dam, drinking water, pets on leash, restroom, parking, boat ramp, hiking trail and beach.
Color Schemes: Black, Red, Orange, White, Yellow, Green, Brown, etc.
Emergency Management Signs include evacuation route, area closed, road use permit required and medical center.
Color Schemes: Black, Red, Orange, White, Yellow, Green, Brown, etc.
