 and Jomax Road, then close at Jomax Road from 9 p.m. Friday to 5 a.m. Monday. Drivers must detour via Jomax Road ramps and can use alternate routes like Happy Valley Road and Nutera Parkway. Weekend restrictions on July 10th and 11th will narrow southbound I-17 to one lane from Loop 303 Sonoran Desert Drive to Dixaletta Drive with ramp closures. Further closures are planned from July 19th to the 22nd