A radio broadcast system and method can assist employees in a hydrocarbon field that is compliance monitored using a checkpoint monitor installed therein. A radio transmitter located on the checkpoint monitor is configured to transmit a broadcast signal including a radio program, in a selected radio broadcast band, to be received by a radio device on a vehicle occupied by the employees of the compliance monitored hydrocarbon field. The radio program includes company rules and regulations, safety related information and employee activity status and assignment status information for the hydrocarbon field.