PHOENIX -- Most freeway construction work in the Phoenix area will occur during overnight hours this weekend, as crews continue to make progress on several freeway widening projects.

• Map It: Freeway Closures, Restrictions This Weekend

The Arizona Department of Transportation recommends drivers allow extra travel time while the following restrictions are in place:

• Interstate 10 narrowed to two lanes in both directions between Loop 101 (Agua Fria Freeway) and Dysart Road from 4 a.m. to 1 p.m. Saturday (Nov. 21) for lane striping as part of the freeway widening project in that area. Southbound Loop 101 ramp to eastbound I-10 will be closed. DETOUR: Use McDowell Road to 91st Avenue to detour beyond the freeway ramp closure.
• Westbound Interstate 10 narrowed to one lane overnight between Cotton Lane and Verrado Way from 10 p.m. Friday to 6 a.m. Saturday (Nov. 21); from 9 p.m. Saturday to 9 a.m. Sunday (Nov. 22) and from 9 p.m. Sunday to 4 a.m. Monday (Nov. 23) for freeway widening. DETOUR: Please allow extra travel time and be prepared to merge safely in the work zone.
• Interstate 17 narrowed to one lane in both directions overnight between Carefree Highway and Pioneer Road from 10 p.m. Friday to 6 a.m. Saturday (Nov. 21); from 10 p.m. Saturday to 6 a.m. Sunday (Nov. 22) and from 10 p.m. Sunday to 5 a.m. Monday (Nov. 23) for freeway widening. DETOUR: Please allow extra travel time and be prepared to merge safely in the work zone.
• Eastbound Loop 202 (Red Mountain Freeway) narrowed to two lanes overnight between Van Buren Street and Priest Drive from 10 p.m. Friday to 7 a.m. Saturday (Nov. 21) for freeway widening. DETOUR: Please allow extra travel time and be prepared to merge safely in the work zone.
• Eastbound Loop 202 (Red Mountain Freeway) narrowed to two lanes overnight between State Route 143 (Hohokam Expressway) and Priest Drive from 9 p.m. Sunday to 5 a.m. Monday (Nov. 23) for freeway widening.