ADAMS COUNTY, Colo — A gravel truck crashed into a backyard in northern Commerce City at E. 96th Avenue and Highway 2 Monday morning.E. 96th Avenue is closed in the area between Heinz Way and Chambers Road, and both directions of Highway 2 have closed between E. 96th Avenue and E. 104th Avenue. The semi-truck hauling gravel crashed through a fence and was on its side, bent at a 90-degree angle, in a backyard. Commerce City Police Department Chief of Police Clint Nichols said four vehicles were involved, including the tanker. One person was injured and extricated, according to South Adams Fire. The person was transported to a hospital with serious injuries, Commerce City police said. Four others were treated and released at the scene. Commerce City police said the preliminary investigation showed the semi=truck was headed eastbound on 96th Ave. when it collided with vehicles that were entering the intersection. The truck then crossed over the median and ended up in the backyard of the home.Commerce City police said the road closures are expected to be “extensive” because of a “significant” fuel spill.This is a developing story. Stay with Denver7 for updates.