Weekend Construction (May 14-17): Closures impacting I-10 and Loop 101 Jim Poulin/Phoenix Business Journal and last updated 2021-05-14 14:30:55-04 PHOENIX â Expect closures or lane restrictions on Loop 101 and some parts of Interstate 10 this weekend, May 14-17, according to the Arizona Department of Transportation. Westbound Loop 101 (Pima Freeway) closed between Scottsdale Road and Tatum Boulevard from 10 p.m. Friday to 5 a.m. Monday (May 17) for widening project. Westbound Loop 101 on-ramps at Pima and Hayden roads also closed. Detour: Consider alternate routes including westbound Loop 202 (Red Mountain Freeway) to northbound State Route 51. Expect heavy traffic if exiting Loop 101 at Scottsdale Road. Drivers north of Loop 101 can consider detouring on westbound Pinnacle Peak Road and southbound Tatum Boulevard. Drivers south of Loop 101 can consider detouring on westbound Frank Lloyd Wright Boulevard/Bell Road to northbound Tatum Boulevard or SR 51.