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Colorado State Patrol (CO)

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Unofficial Colorado State Patrol Map

Dispatch Centers

The Colorado State Patrol operates five regional communications centers; Alamosa, Craig, Denver, Montrose, Pueblo. The CSP also operates a communications center dedicated to Executive Security ("Capitol Dispatch"). Most operations occur on DTRS. However, some troopers may use VHF channels in certain areas where DTRS coverage is weak.

Alamosa Dispatch

  • Troop 5B

Craig Dispatch

  • Troop 4B
  • Troop 4C

Denver Dispatch

  • Troop 1A
  • Troop 1B (On 1C)
  • Troop 1C
  • Troop 1D
  • Troop 1E
  • Troop 3A
  • Troop 3B
  • Troop 3C
  • Troop 3D

Montrose Dispatch

  • Troop 4A
  • Troop 5A
  • Troop 5C

Pueblo Dispatch

  • Troop 2A
  • Troop 2B
  • Troop 2C
  • Troop 2D
  • Troop 2E (On 2B)

Capitol Dispatch

  • Troop 9B

Patching

Understanding patching is essential when trying to monitor CSP, especially for the troops covered by Denver Dispatch. Denver Dispatch does not have dispatchers for every single troop, so various talkgroups are always patched together in random combinations that change frequently. When this occurs, the system automatically redirects voice traffic from one talkgroup to a different talkgroup. Due to this, one will often hear several troops on the same talkgroup.

Scanner that do not support P25 patch following, such as Uniden scanners, may often be silent when attempting to monitor a single troop. This is the result of the voice traffic being redirected to the talkgroup that they are patched to. In order to monitor any particular troop covered by Denver Dispatch, you must monitor all the troops covered by Denver Dispatch.

Scanners which support P25 patch following will not run into this problem. Monitoring any particular troop will automatically be redirected to the correct talkgroup if it is patched and affiliated to the site you're monitoring.

Other dispatch centers may patch traffic to any talkgroup that they dispatch on. Examples include:

  • Montrose Dispatch: Troop 5C and San Juan Sheriff's Office (TG 8591)

Codes

The following is a comprehensive list adopted from the Expanded APCO 10 Codes. While some of these codes are used, many are rarely used, and some have likely been phased-out.

Troopers always begin their transmission with the Regional Dispatch Center they are calling, followed by call sign, followed by their request/info. (i.e. "Denver 1 Adam 17 clear PA" means unit 1 Adam 17 is calling Denver Dispatch to advise he/she finished their traffic stop with a penalty assessment).

10 Codes

  • 10-1: Unable To Copy
  • 10-2: Signals Good
  • 10-3: Stop Transmitting
  • 10-4: Acknowledgement
  • 10-5: Relay
  • 10-6: Busy Stand-By
  • 10-7: Out Of Service
  • 10-8: In Service
  • 10-9: Repeat
  • 10-10: Fight In Progress
  • 10-11: Dog Case
  • 10-12: Stand By (stop)
  • 10-13: Weather & Road Report
  • 10-14: Report Of Prowler
  • 10-15: Civil Disturbance
  • 10-16: Domestic Trouble
  • 10-17: Meet Complainant
  • 10-18: Complete Assignment Quickly
  • 10-19: Return To ___
  • 10-20: Location
  • 10-21: Call ___ By Telephone
  • 10-22: Disregard
  • 10-23: Arrived At Scene
  • 10-24: Assignment Completed
  • 10-25: Report In Person To ___
  • 10-26: Detaining Subject
  • 10-27: Driver's License Information
  • 10-28: Vehicle Registration
  • 10-29: Check Records For Want
  • 10-30: Unauthorized Use Of Radio
  • 10-31: Crime In Progress
  • 10-32: Person With Gun
  • 10-33: Emergency
  • 10-34: Riot
  • 10-35: Major Crime Alert
  • 10-36: Correct Time
  • 10-37: Suspicious Vehicle
  • 10-38: Stopping Suspicious Vehicle
  • 10-39: Urgent (light/siren)
  • 10-40: Silent Run
  • 10-41: Beginning Tour Of Duty
  • 10-42: Ending Tour Of Duty
  • 10-43: Information
  • 10-44: Request Permission To Leave Patrol
  • 10-45: Animal Carcass In Road
  • 10-46: Assist Motorist
  • 10-47: Emergency Road Repairs Needed
  • 10-48: Traffic Standard Repair
  • 10-49: Traffic Light Out
  • 10-50: Traffic Accident
    • F: Fatality
    • PI: Personal Injury
    • PD: Property Damage
  • 10-51: Wrecker Needed
  • 10-52: Ambulance Needed
  • 10-53: Road Blocked
  • 10-54: Livestock On Highway
  • 10-55: Intoxicated Driver
  • 10-56: Intoxicated Person
  • 10-57: Hit & Run
    • F: Fatality
    • PI: Personal Injury
    • PD: Property Damage
  • 10-58: Direct Traffic
  • 10-59: Convoy Or Escort
  • 10-60: Squad In Vicinity
  • 10-61: Personnel In Area
  • 10-62: Reply To Message
  • 10-63: Prepare To Make Written Copy
  • 10-64: Attention on the Radio for an Important Broadcast
  • 10-65: Net Message Assignment
  • 10-66: Message Cancellation
  • 10-67: Clear To Read Net Message
  • 10-68: Dispatch Information
  • 10-69: Message Received
  • 10-70: Fire Alarm
  • 10-71: Advise Nature Of Fire (size, type, contents of building)
  • 10-72: Report Progress On Fire
  • 10-73: Smoke Report
  • 10-74: Negative
  • 10-75: In Contact or Traffic Stop
  • 10-76: En Route
  • 10-77: ETA
  • 10-78: Need Assistance
  • 10-79: Notify Coroner
  • 10-82: Reserve Lodging
  • 10-84: If Meeting, Advise ETA
  • 10-85: Will Be Late
  • 10-87: Pick Up Checks For Distribution
  • 10-88: Advise Telephone # Of ____
  • 10-90: Bank Alarm
  • 10-91: Unnecessary Use Of Radio
  • 10-93: Blockade
  • 10-94: Drag Racing
  • 10-95: In Custody (i.e. "55, 95" means a person is now in custody for suspicion of DUI)
  • 10-96: Mental Subject
  • 10-98: Prison/Jail Break
  • 10-99: Records Indicate Wanted/Stolen

Other Codes:

  • PA: Penalty Assessment
  • Code Frank: Fatality/Deceased

Troop Boundaries & Call Signs

In 2013 CSP underwent "re-districting" for troop boundaries. Current boundaries are approximately as follows (note that some counties may fall within multiple troops):

District 1 Encompasses Troops:

  • 1A: Golden
    • Most of Jefferson and Clear Creek
  • 1B: E-470 Tollway (Dispatched on 1C)
  • 1C: Castle Rock
    • W Arapahoe, Douglas, and W Elbert
  • 1D: Adams County
    • W Adams, S Boulder, Broomfield, and Denver
  • 1E: Gilpin County Gaming
    • Gilpin and W Jefferson in Clear Creek Canyon

District 2 Encompasses Troops:

  • 2A: Florence
    • Chaffee, Custer, Fremont, and Park
  • 2B: Colorado Springs
    • El Paso, NW Pueblo
  • 2C: Lamar
    • Baca, Bent, Cheyenne, Crowley, Kiowa, NE Las Animas, Otero, and Prowers
  • 2D: Pueblo
    • Huerfano, most of Las Animas, and most of Pueblo
  • 2E: Teller County (Dispatched on 2B)

District 3 Encompasses Troops:

  • 3A: Greeley
    • Most of Weld, N Boulder
  • 3B: Sterling
    • Logan, Morgan, Phillips, Sedgwick, Washington, E Weld, and Yuma.
  • 3C: Fort Collins
    • Larimer
  • 3D: Limon
    • E Adams, E Arapahoe, most of Elbert, Kit Carson, and N Lincoln

District 4 Encompasses Troops:

  • 4A: Fruita
    • W Garfield and Mesa
  • 4B: Craig
    • NE Garfield, Grand, Jackson, Moffat, Rio Blanco, and Routt
  • 4C: Glenwood Springs
    • Eagle, E Garfield, parts of N Gunnison, Lake, Pitkin, and Summit

District 5 Encompasses Troops:

  • 5A: Durango
    • Archuleta, Dolores, La Plata, Montezuma, and San Juan
  • 5B: Alamosa
    • Alamosa, Conejos, Costilla, S Hinsdale, Mineral, Rio Grande, and most of Saguache
  • 5C: Montrose
    • Delta, most of Gunnison, N Hinsdale, Montrose, Ouray, San Miguel, and NW Saguache


Other Call Signs

  • 1-Delta: Adams County Proactive Impact Team
  • 7A: Denver Communications Center (rarely heard)
  • 7B: Pueblo Communications Center (rarely heard)
  • 7C: Alamosa Communications Center (rarely heard)
  • 7D: Montrose Communications Center (rarely heard)
  • 7E: Craig Communications Center (rarely heard)
  • 8A: Aircraft ("Airborne 1/2/3/4")
  • 8C: Hazmat
  • 8D: Motor Carrier Safety (they usually use the call sign MCS#)
  • 8E: Immigration Enforcement Unit (NOTE: This designator was phased-out around 2012; "X-Ray" is the new designator)
  • 8F: Homeland Security Unit
  • 8V: ?
  • 9B: Executive Security Unit
  • 9P: Port of Entry Officers
  • '9P3xx: Fort Collins Port of Entry
  • '9P4xx: Loma Port of Entry
  • '9P5xx: Cortez Port of Entry
  • 9R: Department of Revenue
  • '9R5xx: Auto Industry
  • '9R8xx: Liquor & Tobacco
  • 10A: Headquarters assignment
  • 10C: Public Affairs
  • 10E: Evidence Techs by district 1-5
  • 10M: Motor Operations (they travel Troop to Troop)
  • 11A: Academy Staff
  • 11B: Academy (transient call sign for simulated training calls/scenarios)
  • 11D: Academy Selection Team and Recruiters
  • 11F: Academy Continuing Education (Includes Child Safety Seat Inspection)
  • 11R: Academy Recruits
  • Agent #: Executive Security Unit
  • C#: Captain
  • Command 1 through 3: Colonal, LTCs
  • Command 10, 20, 30, 40, 50: District Commanders
  • Ida #: Investigative Service Section
  • K9: Dog handlers, part of ISS
  • MCS #: Motor Carrier Safety
  • Ocean #: CSP Civilian State Capital Security units
  • R#: Corporal
  • Sam #: Executive Security Unit
  • S#: Sergeant
  • VA #: Victims Advocate (normally only paged-out for DOA's).
  • Victor: Port of Entry Supervisors
  • X-Ray: Smuggling and Trafficking Interdiction Unit


(District Number 1-5) followed by "R" then a numeric call sign (e.g. 2 Robert 2) is the CSP District Vehicular Crimes Unit (aka: accident reconstruction team.)


On The callsigns...the number such as 1 charlie 8, is the seniority number within the troop, ex 1 David 1 would be the senior trooper of the troop

Outside Agencies Dispatched on CSP Channels

Several "outside" State Agencies may utilize State Patrol for dispatching services, sometimes for limited time periods or specific assignments. (This does not include local agencies outside the Denver-Metro area who contract with CSP for primary dispatch services):

  • BN#: BNSF Railroad Officer (To date only heard on "Statewide" talkgroup)
  • UP#: Union Pacific Railroad Officer (To date only heard on "Statewide" talkgroup)
  • OEM #: Office of Emergency Management (very minimal traffic)
  • Parks #: State Park Ranger
  • Parole #: DOC Parole Officer
  • Wildlife #: State Wildlife Officer