Guidelines and Processes
Guidelines and Processes
This page provides a PDF copy of the Traffic Guidelines and Processes (TGP). The issue date is provided to assist the user in determining the most recent revision. It is the responsibility of the users to make sure they are using the most recent revision. Section numbers and content may change periodically.
A history of changes is available on the TGP Change List.
By Section:
100 GENERAL
200 TRAFFIC STUDIES
| Sub-Section | Section Title | Issue Date |
|---|---|---|
| 220 | Speed Zoning | March 2021 |
| 221 | Speed Zoning Concepts | March 2021 |
| 222 | Speed Studies | March 2021 |
| 223- Speed Regulations | August 2021 | |
| 226 | Work Zone Speeds | June 2015 |
| 240 | Traffic Impact Analysis | August 2021 |
| 245 | Turn Lane Warrants | January 2019 |
| 250 | Project Assessments | June 2015 |
| 251 | Design Exceptions | June 2015 |
| 270 | Special Treatments for Horizontal Curves | June 2015 |
300 SIGNS
| Sub-Section | Section Title | Issue Date |
|---|---|---|
| 301 | Definitions | June 2015 |
| 305 | Non-Standard Sign Requests | June 2015 |
| 306 | Freeway Signing Work Orders | June 2015 |
| 310 | Regulatory Signs | June 2015 |
| 311 | Speed Limit Signing | June 2015 |
| 312 | Vehicle Noise Signing | June 2015 |
| 313 | One Way Signs | January 2018 |
| 314 | Wrong Way Signing | December 2015 |
| 320 | Warning Signs | June 2015 |
| 321 | Horizontal Alignment Warning Signs | June 2015 |
| 322 | Animal Signing | June 2015 |
| 323 | Ice Signing | January 2018 |
| 324 | Vertical Clearance Signing | June 2023 |
| 325 | Grade and Hill Signing | June 2015 |
| 327 | Exit Advisory Speeds | June 2015 |
| 328 | Roundabout Yield To Trucks Sign Installation | October 2023 |
| 329 | Miscellaneous Warning Signs | June 2015 |
| 331 | Distance Signing and Control City Plan | June 2015 |
| 332 | Place Names | June 2015 |
| 333 | Signing at State Boundaries | December 2015 |
| 334 | Historical Markers and Historical Marker Signing | June 2015 |
| 335 | Designation of Highway Names and Features | June 2015 |
| 336 | Supplemental and Miscellaneous Guide Signs -R17-3-901. Signing for Colleges and Universities, from the Arizona Administrative Code | January 2018 |
| 337 | Street Name Signing | June 2015 |
| 338 | Wayfinding Signs | June 2015 |
| 340 | Service Signs | June 2015 |
| 341 | Logo Sign Program | June 2015 |
| 343 | General Service Signs | June 2015 |
| 344 | Adopt-a-Highway Volunteer Program | June 2015 |
| 345 | Adopt-a-Highway Sponsor Program | June 2015 |
| 350 | ADOT Route Numbering Committee and Processes | August 2023 |
| 351 | Special Route Signs | June 2015 |
| 380 | Sign Materials | June 2015 |
400 PAVEMENT MARKING
| Sub-Section | Section Title | Issue Date |
|---|---|---|
| 410 | No-Passing Zones | January 2018 |
| 420 | Reflectorized Pavement Markers | September 2020 |
| 430 | Turn Lane Design | June 2015 |
| 431 | Turn Lane Marking | June 2015 |
| 450 | Permanent Striping on Chip Seal Projects | September 2019 |
| 460 | Temporary Pavement Markings | September 2019 |
| 480 | Continuous Longitudinal Rumble Strips | January 2018 |
| 490 | Inlaid Pavement Marking | September 2020 |
500 DELINEATION
| Sub-Section | Section Title | Issue Date |
|---|---|---|
| 500 | Delineators | August 2022 |
600 TRAFFIC SIGNALS
| Sub-Section | Section Title | Issue Date |
|---|---|---|
| 601 | Definitions | August 2021 |
| 611 | Traffic Signal Needs Studies | February 2020 |
| 612 | Left Turn Signal Phasing | June 2015 |
| 613 | Special Access Traffic Signals | August 2021 |
| 614 | Review Process of Traffic Signals for Permits | August 2021 |
| 620 | Traffic Signal Operations | June 2015 |
| 621 | Signal Phase Change Intervals | January 2018 |
| 622 | Left Turn Signal Timing | January 2018 |
| 623 | Inoperative Traffic Signals | June 2015 |
| 624 | Emergency Vehicle Preemption | August 2021 |
| 625 | Flashing Operation of Traffic Signals | June 2015 |
| 626 | Prohibition of "Right Turn on Red" and "Left turn on Red" Turning Movements | June 2015 |
| 627 | Traffic Signal Activation Guidelines | June 2015 |
| 628 | Railroad Preemption | June 2015 |
| 635 | Traffic Signal Design and Drafting Guide | June 2015 |
| 636 | Traffic Signal On-Site Field Inspection Checklist | June 2015 |
| 640 | Pedestrian Hybrid Beacons | June 2015 |