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Boulder County (CO)


Boulder County is located northwest of Denver, Colorado, on the eastern slopes of the Rocky Mountains and the Continental Divide. The elevation ranges from 5,000 to 14,000 feet. The county is 741 square miles. Within Boulder County are ten cities and towns. The County population is about 305,000.

Contents

Listening to Boulder County

Analog (VHF)

Much of Boulder County operates on conventional analog VHF channels.

Refer to the Boulder County Conventional Database for additional frequencies that are not listed below.

Boulder County

The Boulder County Sheriff's Office provides dispatching services for Erie, Jamestown, Louisville, Lafayette, Lyons, Nederland, Superior, Ward, and the unincorporated areas of Allenspark, Eldorado Springs, Gunbarrel, and Niwot.

Both Law and Fire are served by three primary repeater sites: North (Mead), Central (Gunbarrel Hill), and South (Mount Thorodin). All three sites are simulcast and carry the same traffic.

Boulder County's law enforcement are dispatched on Law and is often referred to as "County Law."

Channel Name Frequency Tone Type Notes
Law N 158.8500 162.2 PL R Dispatch (North Repeater), Formerly Green
Law C 155.1450 179.9 PL R Dispatch (Central Repeater), Formerly Green
Law S 159.2700 136.5 PL R Dispatch (South Repeater), Formerly Green
Law 2 155.9250 123.0 PL R Repeated Tactical, Formerly Yellow 2
Law 3 155.6550 179.9 PL R Repeated Tactical, Formerly Yellow
LTAC 1 155.8050 146.2 PL BM Simplex Tactical, Formerly Copper
SWAT 155.0550 151.4 PL M
Data 155.4150 173.8 PL R Formerly Purple
Booking 155.3550 118.8 PL BM Jail Transports

Fire and medical for Boulder County are dispatched on Fire and is referred to as "County Fire."

Channel Name Frequency Tone Type Notes
Fire N 155.5350 141.3 PL R Dispatch (North Repeater), Formerly Red 1
Fire C 154.2200 141.3 PL R Dispatch (Central Repeater), Formerly Red 1
Fire S 151.3550 179.9 PL R Dispatch (South Repeater), Formerly Red 1
Fire Direct 154.3250 179.9 PL BM Dispatch (Base/Repeater Input), Formerly Red 1
FTAC 2 154.2050 179.9 PL BM Formerly Red 2
FTAC 3 154.4150 179.9 PL BM Formerly Red 3
FTAC 4 153.8300 179.9 PL M Formerly Red 4
FTAC 5 153.9500 167.9 PL M Formerly Red 5
FTAC 6 155.4075 186.2 PL M
FTAC 7 155.8500 203.5 PL M Formerly Red 7
FTAC 8 154.1075 192.8 PL M Unconfirmed, Patched to 7GTAC57 (770.99375, NAC: 293)
FCMD 154.3700 131.8 PL R Formerly Red 6

Some of these agencies may have separate frequencies for internal communications. Refer to the Boulder County Conventional Database for these.

City of Boulder

The Boulder Police Department is dispatched on Police 1.

Channel Name Frequency Tone Type Notes
Police 1 156.1350 179.9 PL R Dispatch
Police 2 151.0775 162.2 PL R Events
Tac 1 155.4900 179.9 PL M
Tac 2 155.5200 127.3 PL R Primary Tactical
Tac 3 159.4125 123.0 PL M
Data 155.0850 167.9 PL R Clearances/Records

Boulder Fire-Rescue Department is dispatched on Fire 1. Often fire units within the City will use Ops as their tactical channel, but Red 2 (154.205 MHz, 179.9 PL) was once commonly used.

Channel Name Frequency Tone Type Notes
Fire 1 151.3775 107.2 PL R Dispatch
Ops/Fire 2 155.7825 162.2 PL M/R Ops (Simplex)/Fire 2 (Repeated)
Ops 2 156.1575 107.2 PL M

University of Colorado (CU)

The University of Colorado Police Department is dispatched on Silver. Gold is utilized for clearances, Community Safety Officers, and other miscellaneous users needing to contact public safety in emergencies.

Channel Name Frequency Tone Type Notes
Silver 155.1900 043 DPL R Dispatch
Gold 155.0250 071 DPL R Clearances/Records/Security
Platinum 152.9825 026 DPL R Car-to-Car/Tactical
Event 1 154.5475 131 DPL R
Gold (UHF) 461.5000 031 DPL R Patched to VHF Gold

Statewide DTRS

Some agencies in Boulder County utilize the State of Colorado Digital Trunked Radio System (DTRS).

A full listing for Boulder County talkgroups can be found in the Boulder County section of the DTRS database.

State Agencies

For CSP, the 1D (1 David) Troop covers Boulder County on TGID 2389. Note that any State Patrol talkgroups may be patched together at any time. Refer to Colorado State Patrol (CO) and the CSP section in the DTRS database.

CDOT patrol 1L (1 Lincoln) covers the state highways in the county, TGID 2499.

Boulder County

Boulder County Sheriff's Office and a few local agencies are transitioning to this system. To facilitate the transition, most VHF channels used by law enforcement and several fire department VHF channels are patched directly into DTRS. These VHF to DTRS patched channels share the same names between the system. In certain circumstances, the DTRS patches can be used to hear the simplex tactical frequencies that would typically be out of range.

Note that an affiliation is required in order to hear these patches. As a result, only the dispatch talkgroups can be consistently be heard on the system. The current patched talkgroups are below.

Channel Name Talkgroup
Law 9100
Law 2 9101
Law 3 9573
LTAC 1 9566
Data 9571
Booking 9102
Fire 9104
FTAC 2 9105
FTAC 3 9106
FCMD 9108

The remaining talkgroups found on DTRS under Boulder County may be utilized occasionally and are not patched to the VHF system.

Some of the county fire departments dispatched on County Fire have tactical talkgroups on the DTRS system. These departments include Allenspark (9542, 9543), Lafayette (64, 63), Coal Creek (1501), Rocky Mountain & Louisville (9111). Mountain View has talkgroups on FRCC and DTRS. See relevant database entries for more details.

City of Longmont

Longmont Police is dispatched on Longmont Police Law 1 (9515) and can also be heard on their patched analog VHF channel (156.210 MHz). Longmont Police also utilize tactical talkgroups that are fully encrypted and therefore cannot be monitored.

Longmont Fire is dispatched on Longmont Fire 1 (9522). Longmont Fire also utilize tactical talkgroups for incidents and operations.

Sites In The County

Sites For Additional Coverage

The majority of the eastern portion of the county is covered by Mead, Gunbarrel and Thorodin. The majority of the western mountainous portion is covered by Thorodin, Dakota, and Eldora. Betasso provides coverage for a small area in Boulder Canyon.

Law Enforcement

Unit Identification

  • 100-399: Boulder Police Department
    • 101: Chief
    • 102-119: Commanders
    • 120-150: Sergeants
    • 151-199: Detectives/Community Services
    • 200-299: Patrol Officers
    • 300-320: Traffic Investigators
    • 321-339: Parking Control
    • 340-349: Humane Society Officers
    • 350-359: Environmental Control
    • 360-399: Police
  • 400-479: Louisville Police Department
  • 480-489: Ward Marshal's Office
  • 490-499: Nederland (obsolete)
  • 500-699: Boulder County Sheriff's Office
    • 501: Sheriff
    • 502: Undersheriff
    • 503-506: Division Chiefs
    • 507-512: Ops Commanders
    • 513-532: Ops Sergeants
    • 533-545: Detectives
    • 546-668: Ops Deputies
    • 689-699: Security Deputies
  • 700-749: Boulder County Sheriff's Reserves
  • 750-790: Boulder County Sheriff's Jail Reserves
  • 791-799: Boulder County Animal Control
  • 800: University of Colorado Police Department
    • 8100: University of Colorado Parking Enforcement
    • 8400: University of Colorado Community Safety Officers
  • 900: Boulder County Sheriff's Volunteers
  • 1120-1125: Boulder County Coroner's Office
  • 1300: Boulder County Jail Deputies
  • 1400: Boulder County Jail Control
  • 1590-1599: Boulder County Emergency Services
  • 1720-1799: Boulder County Parks and Open Space
  • 1800: Dispatchers/Mobile Command Centers
  • 1 David ##: Colorado State Patrol
  • Edward ##: Erie Police
  • Lincoln ##: Lafayette Police
  • Nora ##: Nederland (Nora 1: Chief, Nora 2: Sergeant, 4+: Officers)
  • Forest Service ##: Forest Service
  • (Phonetic Letter) ###: Longmont Police Department
    • Adam ###: Support Services
    • David ###: Detective
    • George ###: Gang and Crime Suppression
    • Ocean ###: Extra Duty
    • Paul ###: Patrol
      • 700: Citizen Volunteer Patrol
    • Sam ###: Special Operations
      • 200: School Resource Officer
      • 600: Animal Control
    • Tom ###: Traffic
      • 600: Community Safety Officer
    • Victor ###: Detective
    • 800: City of Longmont Unknown
    • 900: City of Longmont Parking Enforcement

Codes

Boulder County and Boulder

Boulder County Sheriff's Office and City of Boulder Police Department uses plain English (no 10 codes) for radio communication. A limited number of codes are used.

Code Meaning
1 Disabled Vehicle
2 Traffic Stop
3 Situational Radio Traffic Only
4 Unit is Okay / No Further Help Needed
5 Subject In Custody
6 Mentally Disturbed or Intoxicated (Occasionally referred to as "DK")
7 Unit Out of Service / Meal Break
8 Unit In Service / Available
9 Wanted Party
9M Misdemeanor Warrant
9F Felony Warrant
12 Routine Request for a Cover Unit
13 Emergency Request for a Cover Unit
Black Fatality / Deceased Party

Longmont

Longmont Police uses their own set of for radio communications.

Code Meaning
0 Use Caution
1 Arrival
2 In Contact with Car or Person (Traffic Stop)
3 Situational Radio Traffic Only
4 Unit is Okay / No further help needed
5 Subject In Custody
6 Mentally Disturbed or Intoxicated (Occasionally referred to as "DK")
7 Unit Out of Service / Meal Break
8 Unit In Service / Available
9 Wanted Party/Stolen Property
9M Misdemeanor Warrant
9F Felony Warrant
9G Gang Affiliation
9I Sensitive or Officer Information
10 Emergency Request for a Cover Unit
11 Routine Request for a Cover Unit
Black Fatality / Deceased Party

Longmont Police also utilize a number of disposition codes when closing a call.

Code Meaning
A Arrest
G Unknown
N Unknown
P Unknown
R Follow-up
S Summons Issued
U Unknown
V Unknown
W Warning Issued

Fire Departments

Boulder County Fire Unit Designators

  • 1900: Rocky Mountain Rescue
  • 2100: City of Longmont Fire Department
  • 2200: Mountain View Fire Protection District
  • 2300: Boulder Rural Fire Protection District
  • 2400: Rocky Mountain Fire
  • 2500: City of Boulder Fire-Rescue Department
  • 2600: Lafayette Fire Department
  • 2700: Louisville Fire Department
  • 2800: Hygiene Fire Protection District
  • 2900: Front Range Rescue Dogs
  • 3000: Longmont Emergency Unit
  • 3100: Boulder Emergency Squad
  • 3200: Boulder County Haz-Mat Team
  • 3900: Boulder Open Space / Mountain Parks (City)
  • 4000: Lyons Fire Department
  • 4100: Lefthand Fire Protection District
  • 4200: Jamestown Fire Department
  • 4300: Boulder Mountain Protection District
  • 4500: Sunshine Protection District
  • 4600: Four Mile Protection District
  • 4800: St. Vrain Rapid Intervention Team
  • 5000: Big Elk Meadows Protection District
  • 5100: Pinewood Springs Protection District
  • 5200: Allenspark Fire Department
  • 5300: Indian Peaks Protection District
  • 5400: Gold Hill Protection District
  • 5500: Sugar Loaf Protection District
  • 5600: Nederland Fire Department
  • 5700: Timberline Fire Protection District
  • 5900: United States/Colorado State Forest Service
  • 7000: Coal Creek Canyon Fire Protection District
Fire and Rescue Assignments
  • ##01 - ##15: Engines
  • ##16 - ##19: Ladders
  • ##20 - ##29: Rescues/Squads/Meds/Dives
  • ##30 - ##39: Brush/Scats
  • ##40 - ##49: Tenders
  • ##50 - ##59: Utilities/Urban Interface/Misc.
  • ##60 - ##79: Command/Admin
  • ##80 - ##99: Admin/Others

Fire Tone Out (FTO)

Paging is performed on many of the analog frequencies used in the county. These tones can be used with scanners that support fire tone out. See Fire Tone Out for more information.

Boulder County Fire Dispatch

Boulder County Fire Dispatch uses mostly paging tones that correspond to the Plectron standard, although the timing differs. Some tones are Motorola Quick Call II. Some tones are neither.

Avoiding using a County Fire repeater channel for monitoring tones higher than 1820 Hz as the repeater won't rebroadcast it. In that case, you will have to monitor 154.325 MHz directly.

Department First Tone Second Tone
Allenspark 950 1232
American Medical Response 1400 1530
Big Elk Meadows 1130 1232
Boulder Emergency Services 871 539
Boulder Emergency Squad (Group 1) 1036 1232
Boulder Emergency Squad (Group 2) 1036 1985
Boulder Mountain 1232 765
Boulder Mountain 871 1344
Boulder Rural 950 1985
Coal Creek Canyon 1500 1985
Four Mile 871 1820
Front Range Rescue Dogs 1185.2 707.3
Gold Hill 871 1743
Hygiene 1063.2 810.2
Indian Peaks 871 1232
Jamestown 950 1130
Lafayette 950 1344
Lafayette Battalion Chief 1306 2073
Lefthand 871 1901
Longmont Emergency Unit 1036 1820
Louisville 1669 950
Louisville Ambulance 1669 1130
Lyons 950 1743
Mountain View Station 1 1500 871
Mountain View Station 3 1985 871
Mountain View Station 4 1669 871
Mountain View Station 6 1130 871
Nederland 1130 950
Pinewood Springs 950 1820
Rocky Mountain 1500 1901
Rocky Mountain 871 1130
Rocky Mountain Rescue 669.9 1036
St. Vrain Rapid Intervention Team 950 1180
Sugar Loaf 871 1036
Sunshine 950 1901
Timberline 1034.7 1006.9
U.S. Forest Service 765 1304

Boulder Fire 1

The City of Boulder Police & Fire Communications provides paging for the American Medical Response and the Boulder Fire-Rescue Department on Fire 1 with a mixture of DTMF and two tone alerts similar to the Plectron standard with a number of exceptions.

Station/Unit First Tone Second Tone
AMR 1 900 1530
AMR 2 1026 1530
AMR 3 1170 1530
AMR 4 1280 1530
AMR 5+ 1400 1000
Battalion Chief 1036 1743
Station 1 DTMF 111 N/A
Station 2 DTMF 222 N/A
Station 3 DTMF 333 N/A
Station 4 DTMF 444 N/A
Station 5 DTMF 555 N/A
Station 6 DTMF 666 N/A
Station 7 DTMF 777 N/A

Longmont Fire

Longmont Fire uses Motorola Quick Call 2 tones for alerting. These tones are used on on 151.025 MHz. Note that no voice information is aired on this frequency.

Station/Unit First Tone Second Tone
Battalion Chief 1063.2 788.5
Station 1 Ambulance 1063.2 669.9
Station 1 Engine 1063.2 979.9
Station 1 Ladder 1063.2 634.5
Station 2 1063.2 296.5
Station 3 1063.2 304.7
Station 4 1063.2 313.0
Station 4 Ambulance 1063.2 707.3
Station 5 1063.2 953.7
Station 6 1063.2 288.5
Station 6 Ambulance 1063.2 746.8

Locations

  • Allenspark Fire Protection District
    • Station 1 - 14861 Peak to Peak Hwy (aka Highway 7) (Between Clarabell Ln & Washington St), Allenspark - WPEM822/WYU873
    • Station 2 - 2159 Riverside Dr (Between County Road 103 N & S St. Vrain Dr), Allenspark - WYU873
    • Station 3 - 4 County Road 113 E (Between Peak to Peak Hwy, aka Highway 7, & Dead End), Allenspark - WYU873
    • Station 4 - located in Larimer County
  • American Medical Response
    • 3800 Pearl St (Between Frontier Ave & Dead End), Boulder - WNYW875
  • Big Elk Meadows Volunteer Fire Department
  • Boulder County Regional Fire Training Center
    • Boulder Facility - 6055 Reservoir Rd (Between N 51st St & Dead End), Boulder - WQOA997
    • Longmont Facility - 111 1st Ave (Between Martin St & Emery St), Longmont
  • Boulder Emergency Squad
    • 3532 Diagonal Hwy (Between Foothills Pkwy & Independence Rd), Boulder - WNGD817/WQAI827
  • Boulder Fire Rescue
    • HQ
      • Current - 3065 Center Green Dr (Between Valmont Rd & Dead End), Boulder - KAO400/KNIQ813/KTI585/WQFW803
      • Former - 1805 33rd St (Between Walnut St & Fisher Dr), Boulder
    • Station 1 - 2441 13th St (@ Portland Pl), Boulder - WXR213
    • Station 2 - 2225 Baseline Rd (Between Broadway & 22nd St), Boulder - WXR213
    • Station 3 - 1585 30th St (@ Arapahoe Ave), Boulder - WXR213
    • Station 4 - 4100 Darley Ave (@ Toedtli Dr), Boulder - WXR213
    • Station 5 - 4365 19th St (Between Violet Ave & Upland Ave), Boulder - WXR213
    • Station 6 - 5145 N 63rd St (Between Lookout Rd & Spine Rd), Boulder - WXR213
    • Station 7 - 1380 55th St (Between Scenic View Ct & Lodge Ln), Boulder - WPRI401
  • Boulder Mountain Protection District
    • Station 1 (HQ) - 1905 Linden Dr (Between Timber Ln & N Cedar Brook Rd), Boulder - WNGB205
    • Station 2 - 50 Overlook Ln (Between Deer Trail Rd & Dead End), Boulder - WXY545
    • Station 3 - 3128 Carriage Hills Dr (Between Canon View Rd & Cutter Ln), Boulder
  • Boulder Rural Fire Protection District
    • Station 1 (HQ)
      • Current - 6230 Lookout Rd (Between 63rd St & Spine Rd), Boulder - KDQ277
      • Former - 5075 Jay Rd (@ Diagonal Hwy), Boulder
    • Station 2 - 7100 Fairways Dr (Across from Lake View Pt), Boulder - KDQ277
  • Coal Creek Canyon Fire Protection District
    • Station 1 & 3-4 - located in Jefferson County
    • Station 2 - 32895 Highway 72 (aka Coal Creek Canyon Rd) (Between Camp Eden Rd & Jennie Ln), Golden - WPFE414
  • Four Mile Fire Protection District
    • Station 1
      • Current - 9 Logan Mill Rd (Between Four Mile Canyon Dr & Wild Turkey Trl), Boulder - WQQK993/WXY543
      • Future - 1740-1750 Four Mile Canyon Dr (@ Poorman Rd), Boulder
    • Station 2 - 546 Gold Run Rd (Between County Road 89 N & Four Mile Canyon Dr), Boulder - WQQK993/WXY543
    • Station 3 - 5901 Four Mile Canyon Dr (Just northeast of Melvina Hill Rd), Boulder - WQQK993/WXY543
    • Station 4 - 91 Four Mile Canyon Dr (Just north of Canyonside Dr), Boulder - WQQK993/WXY543
  • Gold Hill Fire Protection District
    • 1011 Main St (@ Gold Hill Rd), Boulder - WXT650
  • Hygiene Fire Protection District
  • Indian Peaks Fire Protection District
    • Station 1 - 112 Utica St (Between Stoughton St & Modoc St), Ward - WNGB206
    • Station 2 - 181 County Road 103 (Between Peak to Peak Hwy, aka Highway 72, & County Road 100), Ward
  • Jamestown Fire Protection District
    • 66 Main St (@ High St), Jamestown
  • Lafayette Fire Department
  • Lefthand Fire Protection District
    • Station 1 (HQ) - 900 Lefthand Canyon Dr (Between Geer Canyon Dr & Old Stage Rd), Boulder - WNFB756/WQLI356/WQSL623
    • Station 2 - 7761 Overland Rd (Between Riverside Ln & Rock Lake Rd), Boulder - WQLI356/WQSL623
    • Station 3 - 5928 Lefthand Canyon Dr (Between James Canyon Dr & Lee Hill Dr), Boulder - WNFB756/WQLI356
    • Station 4 - 7300 Lefthand Canyon Dr (Between Glendale Gulch Rd & Nugget Hill Rd), Boulder - WNFB756
  • Longmont Emergency Unit
    • 663 17th Ave (Between Main St & Terry St), Longmont - WNFF837
  • Longmont Fire Department
    • Station 1 - 1070 Terry St (@ 11th Ave), Longmont
    • Station 2 - 2300 Mountain View Ave (Across from Lanyon Ln), Longmont
    • Station 3 - 1000 Pace St (Between Trail Ridge Rd & E 9th Ave), Longmont
    • Station 4 - 501 23rd Ave (Between Main St & Emery St), Longmont
    • Station 5 - 617 Barberry Dr (Between Nelson Rd & Oakwood Dr), Longmont
    • Station 6 - 501 S Pratt Pkwy (@ Elgin Ave), Longmont
  • Louisville Fire Protection District
    • Station 1 - 1240 Main St (Between Lafayette St & Front St), Louisville - KNIT711/WPVJ279
    • Station 2 (HQ) - 895 Via Appia Way (Between Pine St & Eldorado Ln), Louisville - WNUT918/WPVJ279
    • Station 3 - 2095 Boxelder St (@ 489 S 104th St), Louisville
  • Lyons Fire Protection District
  • Mountain View Fire Protection District
    • Station 1, 3, & 6-7 - located in Weld County
    • Station 4 - 8500 Niwot Rd (@ Longview Dr), Niwot - KFG631/WQCF347
    • Station 5 - 10911 Dobbins Run (@ N 109th St), Lafayette - KFG631/WQCF347
    • Station 10 - 9119 E County Line Rd (Between Quicksilver Rd & Pike Rd), Longmont - KFG631/WQCF347
  • Nederland Fire Protection District
    • Station 1 (HQ) - 650 W 4th St (Between Highway 72 & Griffith St), Nederland - WQML905/WYC614
    • Station 2 - 2815 Ridge Rd (Between Cold Spring Rd & Sky View Dr N), Nederland - WQML905
    • Station 3 - 555 Eldorado Ave (@ 5th St), Eldora - WQML905/WYC614
  • Pinewood Springs Fire Protection District
  • Rocky Mountain Fire
    • Station 1 - 7700 Baseline Rd (Between 76th St & Wewoka Dr), Boulder - WPFQ855/WXY292
    • Station 2 - 943 Cherryvale Rd (Between Simmons Dr & Dimmit Dr), Boulder - WXY292
    • Station 3 - 206 W Coal Creek Dr (Between S 2nd Ave & S 3rd Ave), Superior - WXY292
    • Station 4 - 5748 Flagstaff Rd (Between Bison Dr & Pika Rd), Boulder - WXY292
    • Station 5 - 2701 S Indiana St (Between Topaz St & Tierra Ridge Ct), Superior - WXY292
    • Station 6 (HQ) - 4390 Eldorado Springs Dr (Between La Mesa Dr & Prado Dr), Boulder - WNGG797
  • Rocky Mountain Rescue Group
    • 3720 Walnut St (Between 33rd St & 38th St), Boulder - KYU980/WQBX487
  • Sugar Loaf Fire Protection District
    • Station 1 - 1677 Lost Angel Rd (Between Old Townsite Rd & Forest Service Rd #209), Boulder - WNGD816/WPLQ618
    • Station 2 (HQ) - 1360 Sugarloaf Rd (Between Weaver Dr & Forest Service Rd #317), Boulder - WPLQ618
    • Station 3 - 8200 Sugarloaf Rd (Between Primos Rd & Coughlin Meadows Rd), Boulder - WPLQ618
  • Sunshine Fire Protection District
    • Station 1 (HQ) - 311 County Road 83 (Between Misty Vale Ct & Whispering Pines Rd), Boulder - WQKA904/WXY291
    • Station 2 - 5880 Sunshine Canyon Dr (Just north of County Road 83), Boulder - WQKA904/WQOK519/WXY291
  • Timberline Fire Protection District
    • Station 1 - 3999 Coal Creek Canyon Dr (aka Highway 72) (Between County Road 97 & Pinecliff Rd), Pinecliff - WNGB207/WPCV249
    • Station 2-3 & 5-9 - located in Gilpin County
    • Station 4 - 5927 Magnolia Dr (Between Forsythe Rd & Frontier Ln), Nederland - WNGB207

Map of Fire and Ambulance Districts

Boulder County District Map
Boulder Rural Fire District Map

Railways

There are two railways still in use in Boulder County.

BNSF has a line running from Denver, CO to Cheyenne, WY, which passes through Broomfield, Boulder, and Longmont in eastern Boulder County. The primary frequency to hear these trains is 161.160 MHz (AAR channel 70). In the City of Boulder, the Valmont Switcher can often be heard exchanging coal cars at the Xcel Energy's Valmont Power plant.

Union Pacific (UP) has a line running from Denver, CO to Bond, CO, which passes through and along the southern county line, generally following the South Boulder Creek drainage. It is known as the Moffat Subdivision and carries coal, freight and passengers. The route between Rocky Flats and the Moffat Tunnel can be heard on 160.455 Mhz (AAR Channel 23).

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