PHOENIX — Interstate 17 is expected to be closed in both directions south of Flagstaff at 5 a.m. Friday, June 3.

The closure may last up to four hours.

Northbound traffic will be closed at State Route 179 (milepost 299). Southbound traffic will be closed at Kelly Canyon Road (milepost 331).

Non-commercial traffic can detour using State Route 89A.

Commercial vehicle drivers should consider altering their travel times to avoid being stuck due to the closure. Northbound commercial vehicles must wait in Camp Verde for the roadway to reopen. Southbound commercial vehicles will be required to wait at Fort Tuthill.

The closure is for police activity near I-17 at Newman Park where the Arizona Department of Public Safety will be safely disposing of hazardous materials that are best destroyed in place.

For the most current information about highway closures and restrictions statewide, visit ADOT’s Travel Information Site at www.az511.gov, follow us on Twitter (@ArizonaDOT) or call 511.