Outside Leeds, two people are cut from the wreckage of a high speed crash.
Patrollers Alex and Steve are called to an emergency when a horsebox catches fire, risking an emergency shutdown of the entire M1.
Following the teams battling to keep the M1 moving from the control room and out on the road. There's a red alert near Leeds and an attempted suicide to manage.
Patrollers are forced to shut an entire section of the M1 after a car and truck collide.