Traffic

Note: Many of these references are periodically updated and changed. It is the responsibility of users to make sure to use the most recent revision or edition.
ADOT Policies, Guidelines, & Procedures
Policies, Guidelines and Procedures

The ADOT Traffic Engineering Policies, Guidelines and Procedures (PGP) provide design and operational guidance and information on signing, markings, signals, and other items.

Making the signs
Manual of Approved Signs

The Manual of Approved Signs (MOAS) contains layouts and design details for standard regulatory, warning, guide, and marker signs for use on State highways in Arizona.

Sign Maintenance
Signing and Marking Standard Drawings

The Signing and Marking Standard Drawings provide technical details and layouts for sign panels, sign posts, striping and pavement markers, delineators, object markers, and other commonly-used items.

Traffic Signal
Signals and Lighting Standard Drawings

The Signals and Lighting Standard Drawings provide technical details and layouts for traffic signal and lighting poles, signal faces, cabinets, hardware, and other commonly-used items.

Arizona MUTCD Supplement Cover
Traffic Engineering References

Includes the Manual on Uniform Traffic Control Devices (MUTCD), Arizona Supplement to the MUTCD, ADOT guidelines on temporary and work zone traffic control, school safety guidelines, and other useful references.

CADD Plan Sheet
CADD Standards

Information on index sheets, plan sheet notes, CADD files, cell libraries and line styles, and other CADD-related references.

Traffic Safety

The Traffic Safety Section (TSS) investigates, recommends and evaluates improvements and countermeasures for traffic-related issues on the State Highway System.

Traffic Engineering FAQ
Traffic Engineering FAQ

Traffic engineering applies engineering principles that help solve transportation problems by considering the psychology and habits of the transportation system users.

Traffic Teams
Contact Us

Contact the teams in Traffic Group.