County alert · County notice
Phoenix area: westbound I-10 frontage road between 91st and 99th avenues closes overnight Oct. 15 and Oct. 21, then around the clock Oct. 26 to Nov. 9
ADOT says the westbound Interstate 10 frontage road between 91st and 99th avenues will close from 1 to 5 a.m. on Thursday, Oct. 15, and Wednesday, Oct. 21, then continuously from 5 a.m. Monday, Oct. 26, to 5 a.m. Monday, Nov. 9, for the Loop 101 and I-10 interchange project. McDowell Road is the suggested detour.
The Arizona Department of Transportation (ADOT) announced on Tuesday, Oct. 13, 2026, closures and lane restrictions on the westbound Interstate 10 frontage road in the Phoenix area for work on the Loop 101 and I-10 interchange project.
Full closures between 91st and 99th avenues. Overnight from 1 to 5 a.m. on Thursday, Oct. 15, and on Wednesday, Oct. 21. Then continuously from 5 a.m. Monday, Oct. 26, to 5 a.m. Monday, Nov. 9.
Detour. ADOT says drivers may consider using McDowell Road for westbound travel.
One lane after that. The westbound frontage road will be narrowed to one lane between 91st and 99th avenues from 5 a.m. Monday, Nov. 9, to 5 a.m. Thursday, Nov. 19, and again from 5 a.m. Monday, Nov. 30, to 5 a.m. Monday, Dec. 7.
Drive with care. ADOT asks drivers to use caution, slow down and merge safely in all work zones. It says schedules can change because of weather and other factors.
More information. Project page: https://azdot.gov/projects/central-district-projects/interstate-10-and-loop-101-system-interchange. ADOT Bilingual Project Information Line: 855-712-8530. Real-time highway conditions: az511.gov, the AZ511 app or 511.
Original source: Arizona Department of Transportation bulletin "The westbound I-10 frontage road between 91st and 99th avenues scheduled to be closed beginning Oct. 15," Oct. 13, 2026, and the ADOT project page. Notice Nearby wrote this brief in its own words.
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