Districts (Highway Maintenance)
Districts (Highway Maintenance)
Maintenance of a highway extends from the right of way fence on one side of the road to the other side. This work includes:
- Surface maintenance, such as filling potholes and sealing cracks;
 - Shoulder maintenance, such as repair and blading;
 - Roadside maintenance, such as guardrail and fence repair;
 - Drainage maintenance, such as clearing drains and ditches; and
 - Removing obstructions, debris, snow, and ice.
 
Some functions, such as highway striping, lighting, and traffic signals, are conducted on a regional basis.
ADOT's maintenance districts are broken down into seven geographical areas:
        
  