The Colorado State Patrol has issued its first citations of the winter driving season, ticketing two commercial vehicles for failing to carry chains. State Trooper Gabriel Moltrer said in an email that troopers issued the citations for violations of the state’s must-carry commercial vehicle chain law during two separate traffic stops on Interstate 70 near Avon and Vail on Sept. 7. Colorado’s “must-carry” law requires commercial vehicles over 16,…