 Plan for delays if you're traveling on I-17 overnight this week. Northbound I-17 will have the right lane closed on a one-mile stretch near Coldwater Road from 6 p.m. to 6 a.m. tonight through Thursday night and again from 7 Thursday night to 6 Friday morning for earthwork. The southbound right lane will be closed on a one-mile stretch near Sunset Point from 7 p.m. to 7 a.m. nightly through Saturday morning also for earthwork.