A tractor trailer monitoring system includes a network having a server and a database; a first computing device; a monitoring platform to be accessible from the first computing device; a tractor trailer system, having a tractor unit; an air supply control system to control air supply to a brake system of the trailer, the air supply control system having a CPU to receive commands from the first computing device; the first computing device and monitoring platform are to receive an identifying code from a user to activate air supply to the brake system of the trailer.