California Highway Patrol
Codes & Abbreviations

Last updated August 27, 2004
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The official California Highway Patrol web site is www.chp.ca.gov

 

10 Codes
Code Description
10-1 Reception poor
10-2 Reception good
10-4 Message received
10-5 Relay message
10-6 Busy, stand by
10-7 Out of service
10-8 In service
10-9 Repeat last transmission
10-10 Off duty
10-11 Identify mobile frequency
10-13 Advise road or weather conditions
10-14 Provide escort
10-15 Prisoner in custody
10-17 Relay paper, supplies, etc.
10-19 Return, or return to_________
10-20 Location requested
10-21 Telephone_________
10-22 Disregard
10-23 Standby
10-28 Request for registration
10-29 Check for wanted (person or vehicle)
10-30 Improper radio traffic
10-31 Attempt suicide
10-35 Code 2 backup
10-36 Confidential information
10-36A Confidential info, subject possibly armed
10-36F Confidential info, possible felony wants
10-36M Confidential info, possible misdemeanor wants
10-37 What time is it?
10-39 Message or item delivered
10-97 Arrived on scene
10-98 Assignment completed
11-10 Take a report
11-24 Abandoned vehicle
11-25 Traffic hazard
11-26 Abandoned vehicle, occupied
11-27 Drivers license check, driver held
11-41 Ambulance required
11-44 Possible fatality
11-48 Provide transportation
11-66 Defective traffic signals
11-79 Accident, ambulance rolling
11-80 Accident, major injuries
11-81 Accident, minor injuries
11-82 Accident, property damage
11-83 Accident, no details
11-84 Direct traffic
11-85 Tow truck required
11-86 Bomb threat
11-87 Bomb found
11-98 Meet________
11-99 Officer requires help, emergency
code-2 Urgent
code-3 Emergency
code-4 Situation stable
code-20 Notify press
code-33 Clear radio channels for emergency traffic

 

Commonly used law codes
For an online searchable database of California State Law Codes see www.leginfo.ca.gov/calaw.html
Code Description
20001 FELONY HIT AND RUN ACCIDENT
20002 MISDEMEANOR HIT AND RUN ACCIDENT
23103 RECKLESS DRIVING
23152 MISDEMEANOR - DRUNK DRIVING
23153 FELONY - DRUNK DRIVING

 

CAD Abbreviations
The California Highway Patrol hosts an online incident web site at http://cad.chp.ca.gov/
The following are abbreviations that are commonly used on this system.
Abbreviation Description
3A AAA (AMERICAN AUTOMOBILE ASSOCIATION)
911C CELLULAR 911 CALL
AAA TRIPLE A (AMERICAN AUTOMOBILE ASSOCIATION)
AC ANIMAL CONTROL
ACTIVE INCIDENT CALL HAS BEEN ASSIGNED TO A CHP OFFICER
AIFU ACCIDENT INVESTIGATION FOLLOW-UP
AIR CHP AIRCRAFT ("AIR" FOLLOWED BY UNIT NUMBER IE: AIR83)
AP APPROACHING
APB ALL POINTS BULLETIN
APP APPROACHING
APT APARTMENT
ARO ANIMAL REGULATIONS ORGANIZATION
ASAP AS SOON AS POSSIBLE
ATC ATTEMPT TO CONTACT - OR - ANYTHING CLOSE
ATL ATTEMPT TO LOCATE
ATV ALL TERRAIN VEHICLE
BC BROADCAST
B'CAST BROADCAST
BFA BLACK-FEMALE-ADULT
BFJ BLACK-FEMALE-JUVENILE
BGE BEIGE
BLK BLACK
BLU BLUE
BMA BLACK-MALE-ADULT
BMJ BLACK-MALE-JUVENILE
BO BROKEN, "BAD ORDER", DOES NOT WORK
BOL BE ON THE LOOKOUT
BOR BOTTOM OF RAMP (NEAREST THE END OF THE RAMP)
BOCC BORDER COMMUNICATIONS CENTER
BP BORDER PATROL
BRN/BRO BROWN
BTWN/BET BETWEEN
BOT BACK ON TOP
C2 CODE 2 (RESPOND QUICKLY)
C3 CODE 3 (RESPOND AS QUICKLY AS POSSIBLE)
C4 CODE 4 (SITUATION UNDER CONTROL)
CAD COMPUTER AIDED DISPATCH
CADI CADILLAC
CALTRANS CALIFORNIA DEPARTMENT OF TRANSPORTATION
CB CALLBOX
CBX CALLBOX
CBXCHK CALLBOX CHECK
CD CENTER DIVIDER
C/D CENTER DIVIDER
CDF CALIFORNIA DEPARTMENT OF FORESTRY
CEL,CELL CELLULAR PHONE
CFI CAN'T FIND IT
C/FIRE CAR FIRE
CHEV CHEVROLET
CHKPT CHECKPOINT
CHIN CALIFORNIA HIGHWAY INFORMATION NETWORK
CIR CIRCLE OR CIRCUMSTANCE
CIT CITIZEN
CJ COUNTY JAIL
CK CHECK
CLOSUR CLOSURE
CLR CLEAR
CO COUNTY - OR - CORRECTIONAL OFFICER
CON CONNECTOR - OR - CONNECTED
CONET OFFICER WITH DRUG DOG OR DRUG INTERVENTION UNIT
COPIED RECEIVED INFORMATION
COP COMPLAINT OF PAIN
COR CORONER
COZEEP OFFICER WORKING AT CONSTRUCTION SITE
CP COUPE (2 DOOR CAR)
CRS- # COUNTY ROAD (EX: CRS-1: "SUNRISE HWY")
CT, C/T CALTRANS
CUS,CUST CUSTOMS
CV CONVERTIBLE
CVC CALIFORNIA VEHICLE CODE
CZP COZEEP
DAS DEAD AT SCENE
DISC DISCONNECT
DIV DIVISION
DL DRIVER'S LICENSE
DOA DEAD ON ARRIVAL
DOB DATE OF BIRTH
DOJ DEPARTMENT OF JUSTICE
DOT DEPARTMENT OF TRANSPORTATION - CALTRANS
DRE DRUG RECOGNITION EXPERT
DUI DRIVING UNDER THE INFLUENCE
DV DISABLED VEHICLE - OR - DOMESTIC VIOLENCE
DZ DROP ZONE
EB EAST BOUND
EMT EMERGENCY MEDICAL TECHNICIAN
ENRT EN ROUTE
ENTR ENTER
ER EMERGENCY ROOM - OR - EN ROUTE
ETA ESTIMATED TIME OF ARRIVAL
EVAL EVALUATION (USUALLY TO DETERMINE IF DUI)
EXP EXPEDITE (RESPOND QUICKLY)
FB,FBED FLATBED TOW TRUCK
FD FIRE DEPARTMENT
FIRE FIRE DEPARTMENT
FRCC FRESNO COMM CENTER
FRWY/FWY FREEWAY
FSP FREEWAY SERVICE PATROL
FT FLAT TIRE
FTY FAILURE TO YIELD
FV FREEWAY VIOLENCE
FYI FOR YOUR INFORMATION
GGCC GOLDEN GATE COMMUNICATIONS CENTER
GOA GONE ON ARRIVAL (IT'S NOT THERE)
GRN GREEN
GS GOOD SPARE
HAZMAT HAZARDOUS MATERIAL
HB HATCHBACK
HER HELP EN ROUTE
HEWAB HIGHWAY EMERGENCY & WEATHER ADVISORY BULLETIN
HFA HISPANIC-FEMALE-ADULT
HFJ HISPANIC-FEMALE-JUVENILE
HMA HISPANIC-MALE-ADULT
HMJ HISPANIC-MALE-JUVENILE
HOV HIGH OCCUPANCY VEHICLE (CAR POOL)
HTS HEIGHTS
HV HIGHWAY VIOLENCE
HWY HIGHWAY
I- INTERSTATE - (IE - I15)
IFO IN FRONT OF
IMP IMPOUND (TOW AWAY)
INC INCIDENT
INCC INLAND COMMUNICATION CENTER
INCL INCLUDING
INJ INJURY
INS IMMIGRATION AND NATURALIZATION SERVICE
INV INVOLVED
IO INFO ONLY
JEO JUST EAST OF
JNO JUST NORTH OF
JSO JUST SOUTH OF
JUVI,JUVIE JUVENILE
JWO JUST WEST OF
K9 CANINE - POLICE DOG - UNIT WITH A DOG
LACC LOS ANGELES COMMUNICATION CENTER
LIC LICENSE
L/M LEFT MESSAGE
LN LANE
LS LAST SEEN
LSW LAST SEEN WEARING
LZ LANDING ZONE
MAR MAROON
MAZEEP OFFICER WORKING A MAINTENANCE PROJECT
MC, M/C MOTORCYCLE
MCC MERCED COMM CENTER
ME MEDICAL EXAMINER
MFA MEXICAN-FEMALE-ADULT
MFJ MEXICAN-FEMALE-JUVENILE
MIO MEDIA INFORMATION OFFICER - CHP
MLK MARTIN LUTHER KING JR (ABBREVIATION FOR STREET NAME OR ROADWAY)
MM MILE MARKER
MMA MEXICAN-MALE-ADULT
MMJ MEXICAN-MALE-JUVENILE
MP MILITARY POLICE
MPM MILE POST MARKER
MRE MOBILE ROAD ENFORCEMENT
MT MOUNTAIN OR MOUNT
NA NO ANSWER - OR - NOT AVAILABLE - OR- NOT APPLICABLE
NB NORTH BOUND
NFD NO FURTHER DETAILS
NFI NO FURTHER INFORMATION
NJ NO JACK (TO CHANGE TIRE)
NLT NO LATER THAN
NR,N/R NO RESPONSE
NS NO SPARE
NUA NO UNIT AVAILABLE
NVC NO VOICE CONTACT
O/ OVER
OC, O/C OVER CROSSING
OCC OCCURRED OR OCCUPANTS
OCCC ORANGE COUNTY COMMUNICATION CENTER
OES OFFICE OF EMERGENCY SERVICES
OFA ORIENTAL-FEMALE-ADULT
OFJ ORIENTAL-FEMALE-JUVENILE
OFR OFF RAMP
OIC OFFICER OR OPERATOR IN CHARGE
OMA ORIENTAL-MALE-ADULT
OMEGA CORONER OR MEDICAL EXAMINER
OMJ ORIENTAL-MALE-JUVENILE
ONG ORANGE
ONR ON RAMP
OOG OUT OF GAS
OOP,O/O POS OUT OF POSITION (TOO FAR AWAY TO RESPOND)
ORD ORDER NUMBER, USED BY 3A TO RECORD SERVICE REQUESTS
OR# ORDER NUMBER, USED BY 3A TO RECORD SERVICE REQUESTS
OT, O/T OVERTURNED
OTS OVER THE SIDE
O'SIDE OVER THE SIDE, OR OUTSIDE
O/X OVERCROSSING
PAC PUBLIC AFFAIRS COORDINATOR
PAO PUBLIC AFFAIRS OFFICER
PARK PARKING PROBLEM
PC PROBABLE CAUSE - OR - PENAL CODE
PD POLICE DEPARTMENT
PED PEDESTRIAN
PENDING INCIDENT CALL AWAITING OFFICER ASSIGNMENT
PIT PURSUIT IMMOBILIZATION TECHNIQUE
PK PICK-UP TRUCK
PKWY PARKWAY
PLS,PLZ PLEASE
PLT PLATE
PM PARAMEDICS
PM PASSING MOTORIST
POE PORT OF ENTRY (THE BORDER)
POI POINT OF IMPACT
PORT PORT OF ENTRY (THE BORDER)
POSS POSSIBLE - OR - POSSESSION
PT POINT (EX: GORE POINT)
PTS PREPARE TO STOP
PU PICK-UP TRUCK
RDCC REDDING COMMUNICATIONS CENTER
R RESIDENCE (HOME)
RB ROLLBACK (TOW TRUCK)
RD ROAD
RDW,RDWY ROADWAY
RE, RE: REGARDING
REF REFERENCE
REQ REQUEST - OR - REQUIRED
RESP RESPONDING
RP,R/P REPORTING PARTY - OR - RESPONSIBLE PARTY
RO REGISTERED OWNER
ROLLBK ROLLBACK, SAME AS A FLATBED TOW TRUCK
RS,R/S RIGHT SHOULDER
RHS RIGHT HAND SHOULDER
RTH REMOVED THE HAZARD
SB SOUTH BOUND
SD, SDN SEDAN (4 DOOR CAR)
SEMI "BIG RIG, 18 WHEELER, TRACTOR TRUCK"
SIC SUBJECT IN CUSTODY
SIG ALERT SPECIAL WARNING FOR TRAFFIC TIE UP OF 30+ MINUTES
SIGLRT SIG ALERT
SLINGTK SLING TRUCK - SAME AS A FLATBED TOW TRUCK
SMPV SPECIALLY MARKED PATROL VEHICLE
SO, S/O SHERIFF'S DEPARTMENT
SPGS SPRINGS
SR- (#) STATE ROUTE
SUBCHK SUBJECT CHECK (WARRANTS, ETC.)
SUBJ SUBJECT
SUSP SUSPECT - OR - SUSPICIOUS
SUSCIRC SUSPICIOUS CIRCUMSTANCES
TB THOMAS BROTHERS MAP - REFERRING TO PAGE NUMBER
TC, T/C TRAFFIC COLLISION
TG THOMAS GUIDE MAP - REFERRING TO PAGE NUMBER
THX THANKS
TIP TRAUMA INTERVENTION PROGRAM (ONSITE COUNSELING)
TK TRUCK
TMC TRANSPORTATION MANAGEMENT CENTER
TOC TRAFFIC OPERATIONS CENTER (SAME AS TMC)
TOR TOP OF THE RAMP (NEAREST THE START OF THE RAMP)
TRANS TRANSITION ROAD
TRANS TO TRANSITION ROAD
TRK TRUCK
TRKTRL TRUCK TRAIL (A BACK COUNTRY ROAD)
TRKTRLR TRUCK TRAILER
TRLR TRAILER
TRNSFR TRANSFERRED
UA UNIT ADVISED
UI UNIT INFORMED
UC, U/C UNDER CROSSING
UFN UNTIL FURTHER NOTICE
UNK UNKNOWN
USFS UNITED STATES FOREST SERVICE
UTL UNABLE TO LOCATE (CANNOT FIND IT)
VC VEHICLE CODE
VEH VEHICLE
VICT VICTIM
W/ WITH
WB WEST BOUND
WCB WILL CALL BACK
WFA WHITE-FEMALE-ADULT
WFJ WHITE-FEMALE-JUVENILE
WHT/WHI WHITE
WIT WITNESS
WMA WHITE-MALE-ADULT
WMJ WHITE-MALE-JUVENILE
W/O WITHOUT
W/WAY WRONG WAY
XFER TRANSFERRED
XRAY FEMALE
YO YEARS OLD
YOA YEARS OF AGE
YLP YOSEMITE LAKES PARK
YNP YOSEMITE NATIONAL PARK