St. Lucie County Fire District crews responded to a vehicle fire Monday morning on Florida's Turnpike Northbound near Mile Marker 175 and found a fully involved Ford F-250 pickup truck on the shoulder of the interstate. Crews initiated an aggressive fire attack and brought the fire under control while working alongside the Florida Highway Patrol to maintain a safe scene for motorists. Traffic was temporarily impacted as firefighters extinguished the fire and secured the scene. No additional vehicles were involved. The cause of the fire is under investigation.