Traffic Alerts - I-17 TI Reconstruction - Happy Valley and Pinnacle Peak

The Arizona Department of Transportation advises motorists to allow extra travel time and be prepared to use detours while the following closures and restrictions are in place:

  • Northbound I-17 will be narrowed to one lane at Happy Valley Road from 10 p.m. Sunday, Sept. 22, to 5 a.m. Monday, Sept. 23, from 10 p.m. Monday to 5 a.m. Tuesday, Sept. 24, and from 10 p.m. Tuesday, Sept. 24, to 5 a.m. Wednesday, Sept. 25; it will be narrowed to two lanes at Happy Valley Road from 10 p.m. Wednesday, Sept. 25, to 5 a.m. Thursday, Sept. 26.
  • The southbound I-17 exit ramp at Pinnacle Peak Road will be closed from 9 a.m. Monday, Sept. 23, through 10 p.m. Sunday, Nov. 17. DETOUR: To access areas west of I-17, exit southbound I-17 at Jomax Road and use the southbound frontage road to Happy Valley Road; then travel west to southbound 43rd Avenue to Pinnacle Peak Road. To access areas east of I-17 exit southbound I-17 at Jomax Road and use eastbound Jomax Road to southbound 19th Avenue to Pinnacle Peak Road.
  • Southbound I-17 will be narrowed to two lanes at Happy Valley Road from 10 p.m. Tuesday, Sept. 24, to 5 a.m. Wednesday, Sept. 25; it will be narrowed to one lane at Happy Valley Road from 10 p.m. Wednesday to 5 a.m. Thursday, Sept. 26, and from 10 p.m. Thursday to 5 a.m. Friday, Sept. 27.

COMING SOON: ADOT will provide more information and detour routes when confirmed:

The following ramp closures have been scheduled at I-17 and Pinnacle Peak Road through early 2020:

  • The northbound I-17 on-ramp at Pinnacle Peak Road will be closed from Thursday, Nov. 7, to Sunday, Nov. 17.
  • The southbound I-17 on-ramp at Pinnacle Peak Road will be closed from Sunday, Nov. 17, to Sunday, Dec. 22.
  • The northbound I-17 exit ramp at Pinnacle Peak Road will be closed from Sunday, Nov. 17, to Monday, Jan. 6, 2020.

The following full closures of I-17, and of Pinnacle Peak Road, have been scheduled:

  • North- and southbound I-17 will be closed at Happy Valley Road from 10 p.m. Friday, Oct. 18, to 9 a.m. Saturday, Oct. 19. Happy Valley Road, the roundabouts and I-17 ramps will remain open.
  • North- and southbound I-17 will be closed at Pinnacle Peak Road from 10 p.m. Friday, Nov. 15, to 10 p.m. Sunday, Nov. 17. Pinnacle Peak Road at I-17 and all on- and off-ramps also will be closed as crews demolish the old bridge.

Stay Informed

Schedules are subject to change based on weather and other unforeseen factors. Subscribe to receive project updates and traffic alerts by email. For more information, please call the ADOT Bilingual Project Information Line at 855.712.8530 or submit a question or comment by email. For real-time highway conditions statewide, visit ADOT’s Traveler Information Site at www.az511.gov, follow ADOT on Twitter (@ArizonaDOT) or call 511, except while driving.