RICHARDSON, Texas – A deadly crash shut down northbound U.S. 75 through Richardson early Monday, police said. Officers were working a major crash on 75 near Belt Line Road as rush hour traffic began Monday. The crash was initially reported around 1:30 a.m., causing a full closure of the northbound lanes of the highway at Belt Line. Police were diverting traffic off the highway to Spring Valley Road, and the closure was still in effect at 6:30 a.m.