TRAVEL ALERT: Closures of Interstate 17, Pinnacle Peak Road scheduled to begin Friday, June 21

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Closures of Interstate 17, Pinnacle Peak Road scheduled to begin Friday; drivers should allow extra time and prepare for detours

Additional nighttime lane restrictions on I-17 set to begin late Sunday

Interstate 17 is scheduled to close late Friday, June 21, and Saturday, June 22, as crews set girders for a new bridge at Pinnacle Peak Road in north Phoenix. Pinnacle Peak Road also will be closed in both directions at I-17. Drivers should plan for delays and be prepared to use detours while the following south- and northbound closures are in place:

  • Southbound I-17 will be closed at Pinnacle Peak Road from 10 p.m. Friday, June 21, to 7 a.m. Saturday, June 22.  Detours: Drivers can detour along the southbound I-17 off- and on-ramps at Pinnacle Peak Road or consider exiting at eastbound Happy Valley Road and using southbound 19th Avenue to westbound Deer Valley Road to reconnect with southbound I-17.
  • Northbound I-17 will be closed at Pinnacle Peak Road from 10 p.m. Saturday to 9 a.m. Sunday, June 23. Detours: Drivers can detour along the northbound Pinnacle Peak Road off- and on-ramps or consider exiting at eastbound Deer Valley Road and using northbound 19th Avenue to westbound Happy Valley Road to reconnect with northbound I-17.
  • Pinnacle Peak Road will be closed in both directions at I-17 from 9 p.m. Friday to 7 a.m. Saturday, and from 9 p.m. Saturday to 9 a.m. Sunday. Detours:
    •  To access westbound Pinnacle Peak Road, use northbound 23rd Avenue to westbound Happy Valley Road to 43rd Avenue.
    • To access eastbound Pinnacle Peak Road, use southbound 35th Avenue to eastbound Deer Valley Road to 19th Avenue.

Additional overnight lane restrictions are scheduled on I-17 beginning late Sunday, June 23, and continuing through the morning of Friday, June 28. The following restrictions are scheduled from 10 p.m. to 5 a.m.

  • Northbound I-17 will be restricted to two lanes (right lane closed) between Deer Valley and Pinnacle Peak roads.
  • Southbound I-17 will be restricted to two lanes (right lane closed) between Happy Valley and Pinnacle Peak roads.

Looking ahead:

Crews are scheduled to set girders for a new bridge at Happy Valley Road and I-17 the weekend of June 28. East- and westbound Happy Valley Road will remain open, but the following I-17 closures are scheduled to be in place:

  • Southbound I-17 is scheduled to be closed at Happy Valley Road from 10 p.m. Friday, June 28, to 7 a.m. Saturday, June 29. Detours: Drivers can use the Happy Valley Road off- and on-ramps as a detour or use eastbound Jomax Road to southbound 19th Avenue to Pinnacle Peak Road to reconnect with southbound I-17.
  • Northbound I-17 is scheduled to be closed at Happy Valley Road from 10 p.m. Saturday, June 29, to 9 a.m. Sunday, June 30. Detours: Drivers can use the Happy Valley Road off- and on-ramps as a detour or use eastbound Pinnacle Peak Road to northbound 19th Avenue to Jomax Road to reconnect with northbound I-17.

Learn more about the traffic interchange reconstruction project at I-17 and Pinnacle Peak and Happy Valley roads on the project webpage.  See detour routes for this weekend's closures below or on the project webpage under the Traffic Alerts tab.

Detour Maps