The intersection of West Orange Grove Road and North La Cañada Drive will close for three weekends.

The work is part of the River Road to Ina Road Improvement Project. The Pima County Department of Transportation and Regional Transportation Authority are working with contractor Select Development & Construction on the project, which includes drainage improvements, a new curb and traffic signals.

The closures will be from 7:30 p.m. Friday through 6 a.m. Sunday; 7:30 p.m. July 26 through 5:30 a.m. July 29; and 7:30 p.m. Aug. 2 through 6 a.m. Aug. 4.

Motorists should seek alternative routes, using West River Road, North La Cholla Drive, West Ina Road and North Oracle Road during the closures.