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27 August 2026

Traffic fatalities on Arizona roads decline for third year in a row

There were 1,156 traffic fatalities on all Arizona roads in 2025, which is a 5.2% decrease in fatalities from 2024. The total number of crashes also dropped, falling from 123,535 in 2024 to 118,052 in
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The Arizona Department of Transportation advises drivers traveling on State Route 82 between Lake Patagonia Road (milepost 12) and Costello Drive (milepost 19), near the Town of Patagonia, that lane restrictions are scheduled to begin Sept. 9 as part of the SR 82, Lake Patagonia Road to Patagonia pavement project.

  • West- and eastbound lane restrictions on SR 82 between Lake Patagonia Road (milepost 12) and Costello Drive (milepost 19) are planned weekdays from 7 a.m. to 5 p.m. beginning Wednesday, Sep. 9, through mid- November as a new pavement rehabilitation project gets underway. Drivers can expect:
    • Flagging operations in the project area
    • Rolling lane restrictions as crews work in multiple sections each day
    • A 12-foot vehicle width restriction
    • 25 mph speed limit in the work zone

Drivers should allow extra travel time, use caution, be prepared to slow down and merge safely when approaching and traveling through all work zones.

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The Arizona Department of Transportation advises drivers to plan for overnight lane restrictions along north- and southbound Interstate 19 between Ajo Way and Valencia Road from 9 p.m. to 5 a.m. Tuesday, Oct. 13, through Thursday, Oct. 15, as work on the I-19, Irvington Road interchange improvement project continues in Tucson.

Motorists can expect the following overnight restrictions:

  • North- and southbound I-19 will be narrowed to one lane between Ajo Way and Valencia Road.
  • A 16-foot vehicle width restriction will be in place.
  • The speed limit will be reduced to 45 mph in the work zone.

REMINDER: East- and westbound nighttime lane restrictions on Irvington Road at the I-19 interchange will continue through spring 2028.

Map showing the Irvington Road closure at Interstate 19 in Tucson and the detour route using Mission Road, Valencia Road, 12th Avenue and Ajo Way


Drivers should allow extra time, use caution, be prepared to slow down and merge safely when approaching and traveling through all work zones.

For more information visit the project website at: https://azdot.gov/projects/southcentral-district-projects/i-19-irvington-traffic-interchange.

Reminder to update your subscriber preferences 

Want to be notified of traffic restrictions on other ADOT highway corridors, projects and studies happening around Arizona? Update your subscriber preferences here.

Schedules are subject to change based on weather and other unforeseen factors. For more information, please call the ADOT Bilingual Project Information Line at 855.712.8530 or go to azdot.gov/contact and select Projects from the drop-down menu. For real-time highway conditions statewide, visit ADOT's Traveler Information Site at www.az511.gov, download the AZ511 app or call 511. Need to know where a milepost is? Click on the "Mile Markers" icon on the map at at www.az511.gov. 

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