Interstate 40 west of Flagstaff may close due to Engineer Fire  Interstate 40 may close this afternoon, June 2 2011, due to the Engineer Fire near Camp Navajo, approximately 12 miles west of Flagstaff. The Arizona Department of Transportation is working with fire officials to ensure the safety of the traveling public. The closure of I-40 would be set between Flagstaff Ranch Road and Bellemont (mileposts...