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
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.

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. The Arizona 2014 Strategic Highway Safety Plan provides a comprehensive framework for reducing fatalities and serious injuries on public roadways.

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
Traffic Staff

Contact the teams in Traffic Group.

Civil RightsTitle VI of the Civil Rights Act of 1964, and the Americans with Disabilities Act (ADA)
  • Pursuant to Title VI of the Civil Rights Act of 1964, and the Americans with Disabilities Act (ADA), ADOT does not discriminate on the basis of race, color, national origin, age, sex or disability. Persons that require a reasonable accommodation based on language or disability should contact ADOT’s Civil Rights Office at 602.712.8946 or at Requests should be made as early as possible to ensure the State has an opportunity to address the accommodation.
  • De acuerdo con el título VI de la Ley de Derechos Civiles de 1964 y la Ley de Estadounidenses con Discapacidades (ADA por sus siglas en inglés), el Departamento de Transporte de Arizona (ADOT por sus siglas en inglés) no discrimina por raza, color, nacionalidad, edad, género o discapacidad.  Personas que requieren asistencia (dentro de lo razonable) ya sea por el idioma o por discapacidad deben ponerse en contacto con la Oficina de Derechos Civiles al 602.712.8946 o en Las solicitudes deben hacerse lo más pronto posible para asegurar que el equipo encargado del proyecto tenga la oportunidad de hacer los arreglos necesarios.