Local brief
I-19 in Tucson narrows to one lane overnight between Ajo Way and Valencia Road through Oct. 15
ADOT says northbound and southbound Interstate 19 will narrow to one lane between Ajo Way and Valencia Road from 9 p.m. to 5 a.m. Tuesday, Oct. 13, through Thursday, Oct. 15, 2026, for the I-19 and Irvington Road interchange project. A 16-foot width limit and 45 mph work-zone speed apply.
The Arizona Department of Transportation told drivers on Tuesday, Oct. 13, 2026, to plan for overnight lane restrictions on Interstate 19 in Tucson as work continues on the I-19 and Irvington Road interchange improvement project.
When. From 9 p.m. to 5 a.m. nightly, starting Tuesday, Oct. 13, through Thursday, Oct. 15.
What to expect. Northbound and southbound I-19 will each be narrowed to one lane between Ajo Way and Valencia Road. A 16-foot vehicle width restriction will be in place, and the work-zone speed limit drops to 45 mph.
Longer-term reminder. ADOT says eastbound and westbound nighttime lane restrictions on Irvington Road at the I-19 interchange will continue through spring 2028.
Drive safely. Allow extra time, use caution, slow down and merge safely in all work zones. Schedules can change because of weather and other unforeseen factors.
More information. The project page is at azdot.gov (https://azdot.gov/projects/southcentral-district-projects/i-19-irvington-traffic-interchange). Real-time conditions are at az511.gov (https://az511.gov) or by calling 511. Project questions go to the ADOT Bilingual Project Information Line at 855-712-8530.
Original source: Arizona Department of Transportation bulletin "Plan for overnight lane restrictions on north- and southbound I-19 in Tucson Oct. 13-15," Oct. 13, 2026 (https://content.govdelivery.com/accounts/AZDOT/bulletins/42f0e40). Notice Nearby wrote this brief in its own words.
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Notice Nearby is a Public Register listing, not a newspaper, and this page is not Legal Publication. If ADOT and this note disagree, ADOT wins.
Source: the public notice on this register NN-GOVEMAIL-20261013-AZI19 · Arizona Department of Transportation.
This is a Notice Nearby local brief — an in-house explainer written from a government-posted notice on this register. It is not official minutes, not a newspaper story, and not Legal Publication.