Scottsdale, Arizona – Overnight lane closures on Loop 101 are beginning this week, reducing capacity and impacting travel through the Pima corridor.
According to the Arizona Department of Transportation, the restrictions are part of the final phase of the Loop 101 (Pima) widening project, which involves placing the roadway’s final pavement surface.
Crews will diamond grind existing concrete pavement and bridge decks, reseal joints, and install new striping and pavement markings. The work is designed to improve long-term durability and ride quality along the corridor.
The first set of restrictions begins at 10 p.m. Tuesday, April 29, when southbound Loop 101 will be narrowed to two lanes between Princess Drive/Pima Road and Thunderbird Road. That configuration will remain in place until 5 a.m. Friday, May 1.
A second closure phase follows starting at 10 p.m. Friday, May 1, with southbound Loop 101 again reduced to two lanes between Princess Drive/Pima Road and Shea Boulevard. That restriction is scheduled to last until 5 a.m. Monday, May 4.
ADOT stated the overnight closures will continue intermittently for approximately three months as crews complete the final paving operations.
The lane reductions are expected to slow overnight traffic and may affect late-shift workers, rideshare drivers, and airport commuters traveling near Scottsdale Airport.
Officials say the improvements will ultimately create a smoother and safer roadway for drivers once construction is complete.
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