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

Drivers should plan for overnight ramp closure at I-17 and Happy Valley Road March 4

I-17 Happy Valley Road Construction Update

The Arizona Department of Transportation advises drivers who use Happy Valley Road at Interstate 17 to plan for an overnight on-ramp closure while crews perform landscape work.

The eastbound Happy Valley on-ramp to Northbound I-17 will be closed from 10 p.m. Thursday, March 4, to 4 a.m. Friday, March 5.

  • Detour: Drivers can use the northbound frontage road.

ADOT urges you to slow down and use caution around construction personnel and equipment while these restrictions are in place.

Stay Informed!

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By phone: Call the ADOT Bilingual Project Information Line at 855.712.8530.

Online: Submit a question or comment through the ADOT website. Visit and then select Projects from the dropdown menu.

For real-time highway conditions statewide, follow ADOT on Twitter  (@ArizonaDOT), visit or call 511, except while driving.