Listed below are commonly used public safety codes and signals.
Some have been gathered from commonly available lists, others by monitoring radio transmissions.
Use of codes and signals is prohibited during multiagency or multidiscipline responses per NIMS.
If you have corrections or additions for any code below, please submit them to us.
Fire / EMS Response Codes
Use of code 1 or 3 depends on jurisdiction
TMA = Truck Mounted (crash) Attenuator
Lane 1 - far left lane
Illinois State Police