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.
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.
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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.
