Highway Maintenance

The Arizona Department of Transportation (ADOT) maintains an expanding statewide road system with more than 27,000 maintenance lane miles that include all travel lanes, ramps, passing lanes, paved shoulders, and unpaved roads.

Before You Travel

Check out Arizona's Travel Information Alerting System (AZ511), for out all the high impact alerts including road closures that may affect your travel.

Snow plow

Know Snow - Be Prepared for Winter Travel

Before You Go Know Snow Pamphlet
You can also check out our previous blog posts and videos for even more about how ADOT prepares for the winter season.

Scenic Landscape collage


The State is divided into seven districts that handle most highway maintenance for their geographical areas. This page contains description and contact information for the Maintenance districts.

Workers meeting around a table

Emergency Preparedness Management

This team manages business processes before, during and after incidents; impacting our highways and facilities, and care of the public and ADOT employees during those incidents. Team activities include coordination and participation in preparedness exercises for both internal and external entities; response and recovery coordination with counties and state agencies, recovery of costs associated with infrastructure damaged caused by disasters.

Clip from an Arizona road map


This page contains links to various state maps. Some interactive web maps, document maps and links to additional map resources.

Rest Area

Rest Areas

ADOT, in partnership with Infrastructure Corporation of America (ICA), operates and maintains 15 Rest Areas, 26 sites statewide; provided for the safety and comfort of Arizona highways travelers. These pages contain information on Arizona's rest areas, including amenities, directions and locations, rules, and openings, closures and rehabilitations.

Screenshots of permit forms


Maintenance Permits Services issues, provides regulatory enforcement, and administrative guidance on a variety of highway related permits to include;

Working on guardrail

Maintenance Contracting

Maintenance Contract Services (MCS) is a liaison between Highway Maintenance and ADOT Procurement. MCS provides comprehensive professional specification preparation and administrative services including developing bid specifications, provisions, exhibit and pricing structure for roadway material and service contracts. MCS provides these services statewide (to 9 maintenance districts).

New guardrail

Inspector Resources

This page contains links to Tech briefs.