Guidelines and Processes

This page provides a PDF copy of the Traffic Engineering 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

Sub-Section Section Title Issue Date
110 Foreword June 2015
120 Authority June 2015
130 Traffic Engineering Group Functions and Responsibilities June 2015
140 Regional Traffic Engineering Functions and Responsibilities June 2015
160 Revisions June 2015

200 TRAFFIC STUDIES

Sub-Section Section Title Issue Date
220 Speed Zoning June 2015
  221 - Speed Zoning Concepts June 2015
  222 - Speed Studies June 2015
  223 - Speed Regulations December 2015
  226 - Work Zone Speeds June 2015
240 Traffic Impact Analysis June 2015
  245 - Turn Lane Warrants January 2019
250 Project Assessments June 2015
  251 - Design Exceptions June 2015
260 Photo Enforcement on State Highways January 2018
270 Special Treatments for Horizontal Curves June 2015
290 Report Format 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 2015
  325 - Grade and Hill Signing June 2015
  327 - Exit Advisory Speeds June 2015
  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
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 June 2015
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

500 DELINEATION

Sub-Section Section Title Issue Date
500 Delineators January 2018

600 TRAFFIC SIGNALS

Sub-Section Section Title Issue Date
601 Definitions June 2015
610 Traffic Signal Requests January 2018
  611 - Traffic Signal Needs Studies June 2015
  612 - Left Turn Signal Phasing June 2015
  613 - Special Access Traffic Signals June 2015
  614 - Review Process of Traffic Signals for Permits June 2015
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 January 2018
  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

700 ILLUMINATION

Sub-Section Section Title Issue Date
700 Illumination June 2015
790 Overhead Sign Lighting June 2015

800 TRAFFIC CONTROL PLANS

Sub-Section Section Title Issue Date
810 Traffic Control Design Guidelines June 2015
820 Work Zone Channelizing Devices June 2015

900 PEDESTRIANS

Sub-Section Section Title Issue Date
910 Pedestrian Crosswalks June 2015
920 School Crosswalks June 2015

1000 MISCELLANEOUS

Sub-Section Section Title Issue Date
1030 Controlled-Access Highways as Bikeways January 2018
1040 High-Friction Surface Treatments June 2015
1060 Median Openings June 2015
1070 Decorative Elements June 2015