Department of Transportation (CALTRANS) (CA)

Codes

10 Codes

10-00 Time Check
10-01 Reception Poor
10-02 Reception Well
10-03 Change Frequency
10-04 Message Received
10-05 Relay Message
10-06 Busy - Stand by
10-07 Out-of-Service
10-08 In-Service
10-09 Repeat Transmission
10-10 Off Duty
10-12 Lane or Ramp Closed
10-13 Advise Road/Weather Condition
10-14 Do you copy so far?
10-15 Prisoner
10-16 Lane or Ramp Open
10-19 Return or Report to_____
10-20 Location Requested
10-21 Telephone/Landline
10-22 Disregard
10-23 Stand by
10-30 Improper Radio Traffic
10-31 Transmission: Restricted to EMERGENCY TRAFFIC & Weather Condition only
10-32 Dead Animal
10-39 Message (or item) Delivered
10-40 Air Open to Normal Traffic
10-44 Traffic Check
10-45 Negative Traffic
10-51 Advise if Available for Phone Call
10-86 What is your Destination?
10-97 Arrived at Location
10-98 Assignment Completed, Available

11 Codes

11-24 Abandoned Vehicle
11-25 Traffic Hazard (Veh/object)
11-26 Disabled Vehicle
11-41 Ambulance Required
11-44 Fatality (Normally broadcast as "Possible 11-44" until Coroner is on scene)
11-80 Accident - Major Injury
11-81 Accident - Minor Injury
11-82 Accident - Property Damage
11-83 Accident - No Details
11-84 Request Traffic Control (i.e.CHP BREAK)
11-85 Tow Truck Required (Light,Medium,Heavy)
11-98 Request to Meet

Districts

PDF Maps

Phonetic Alphabet adopted by CALTRANS

Adam
Boy
Charles
David
Edwards
Frank
George
Henery
Ida
John
King
Lincoln
Mary
Nora
Ocean
Paul
Queen
Robert
Sam
Tom
Union
Victor
William
X-Ray
Yellow
Zebra