PHOENIX – A stretch of southbound Loop 101 in north Scottsdale will be closed this weekend for continuing work on a widening project, state transportation officials said.

In addition, a stretch of southbound State Route 143 near Phoenix Sky Harbor Airport also will be closed. The Arizona Department of Transportation has scheduled the following work from Friday night, April 11, to Monday morning, April 14:

• Southbound Loop 101 will be closed between Princess Drive/Pima Road and Shea Boulevard from 10 p.m. Friday to 8 p.m. Sunday for freeway widening work. Eastbound/southbound Loop 101 on-ramps at Scottsdale and Hayden roads also will be closed.

Detours: Alternate routes include southbound State Route 51 to eastbound Loop 202 to reach southbound Loop 101 in Tempe. Drivers also should consider exiting onto southbound Scottsdale Road and using eastbound Shea Boulevard to reconnect with Loop 101. Notes: The northbound Loop 101 HOV lane also will be closed this weekend between Shea Boulevard and Bell Road. The northbound Loop 101 off-ramp at Frank Lloyd Wright Boulevard will be closed from 10 p.m. Sunday to 5 a.m. Monday. The northbound Loop 101 frontage road at Frank Lloyd Wright Boulevard will also be closed overnight starting at 9 p.m. Sunday. Detour routes will be in place.

• Southbound SR 143 will be closed between Loop 202 and Interstate 10 from 10 p.m. Friday to 4 a.m. Monday for work on the I-10 Broadway Curve improvement project. 

The westbound Loop 202 exit to Sky Harbor Airport and southbound SR 143 also will be closed. Detour: Consider using westbound Loop 202 to eastbound I-10 starting at the SR 51 “Mini-Stack” interchange to reach northbound SR 143. Drivers on Loop 202 can consider using southbound 44th Street to access Sky Harbor Airport, according to ADOT.

• The eastbound Loop 202 on-ramp at Gilbert Road in the Southeast Valley will be closed for two months (until mid-June) starting at 11:30 p.m. Friday for reconstruction as part of freeway widening project.

 Detours: Consider using the eastbound Loop 202 on-ramps at Cooper or Lindsay roads.