Traffic (Engineering)
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.
Guidelines and Processes
The ADOT Traffic Engineering Guidelines and Processes (TGP) provide design and operational guidance and information on signing, markings, signals, and other items.
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.
Signing and Marking Standard (SMS) Drawings
The Signing and Marking Standard (SMS) Drawings provide technical details and layouts for sign panels, sign posts, striping and pavement markers, delineators, object markers, and other commonly-used items.
Signals and Lighting Standard (SLS) Drawings
The Signals and Lighting Standard (SLS) Drawings provide technical details and layouts for traffic signal and lighting poles, signal faces, cabinets, hardware, and other commonly-used items.
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 Standards
Information on index sheets, plan sheet notes, CADD files, cell libraries and line styles, and other CADD-related references.
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 Staff
Contact the teams in Traffic Group.
