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US > Illinois > Illinois Department of Transportation (IDOT)

Illinois Department of Transportation (IDOT)


IDOT and the ISP number the lanes left to right, "L1" is the far left lane.

Also see the State of Illinois Wiki Page


Input Frequencies:
 
    
 Updated in the last 7 days
    
    
 Updated in the last 24 hrs


Illinois Department of Transportation (IDOT)
Statewide

*Unidentified portable frequencies have been moved to the wiki

District 1 - Schaumburg (Chicago Metro Area)

Cook, DuPage, Kane, Lake, McHenry, and Will Counties

10/13 - McHenry Co. Primary, 453.4875, has been replaced by 453.6375 in a modification to callsign WQPX735. Please submit if this has been confirmed as in use.

[8/13 - need update] F1 (150.995) and F8 (453.4) are simulcast. Other channels can be patched as needed.

Codes - Snow or Ice
Code 1 - None
Code 2 - Scattered
Code 3 - 25% coverage
Code 4 - 50% coverage
Code 5 - 75% coverage
Code 6 - 100% coverage

"Lane 1" is the far left lane.

There is a shorthand way of referring to the expressways so that NW @ Harlem is understood as outbound JFK @ Harlem. NW & SE = JFK E & W = IKE NE & SW = I 55 N & S = Dan Ryan & Eedens and I 57 & Ford

IDOT Emergency Patrol Vehicle's carry both UHF and SC21 radios. UHF frequencies are primary and SC21 is used as fallback. (as of 8/13)

Conventional P25 Radio IDs (RIDs) [will be moved to wiki]
*369007 - Communications Consoles Emergency Traffic Patrol (Dispatcher)
*369008 - Communications Consoles Emergency Traffic Patrol (Dispatcher)

 

STARCOM21 Statewide Illinois P25    
Project 25 Phase II    
Some operations on TGs 1401-1410 (mainly backup to UHF P25), ETP Minutemen on TG 9067 (with ISP)

Frequency  License  Type  Tone  Alpha Tag  Description  Mode  Tag 
150.99500  KZZ494  RM 131.8 PL DOT 1C Maint Central Maintenance - Cook / DuPage [Ch 1/11]  FMN  Public Works 
151.07000  KTN369  RM 131.8 PL DOT 1S Maint South Maintenance - South Cook & Will [Ch 2/12]  FMN  Public Works 
151.10000  KTN369  RM 023 DPL DOT 1N Maint North Maintenance - North Cook, Lake & McHenry [Ch 3/13]  FMN  Public Works 
154.66500  KA5825  M 131.8 PL DOT SpecProj Special Projects [Ch 5]  FMN  Public Works 
453.15000  WNDL390  RM 151 NAC IDOT D1 ETP Emergency Traffic Patrol - Primary (ETP/Minutemen)   P25  Public Works 
453.18750  WQPX733  RM 151 NAC IDOT D1 S South - Primary  P25  Public Works 
453.20000  WQPX736  RM 151 NAC IDOT D1 NE Northeast - Primary  P25  Public Works 
453.23750  WQPX734  RM 151 NAC IDOT D1 C Central - Primary  P25  Public Works 
453.30000  KR5616 ??  BM 151 NAC IDOT D1 Expr Expressways - Primary  P25  Public Works 
453.40000  WPBZ422  BM 151 NAC IDOT D1 Kane Kane County - Primary  P25  Public Works 
453.48750  WQPX735  RM 151 NAC IDOT D1 McHn McHenry County - Primary [*see note 10/13]  P25  Public Works 
453.70000  KQO359  RM 151 NAC IDOT D1 Admn Admin - Primary  P25  Public Works 
453.25000  KNFB431  RM 151.4 PL DOT1 Kennedy [Old ?] Kennedy Reversible Lanes - Data [Ch 5]  FMN  Data 
453.15000  WNDL390  RM 151.4 PL DOT1 Traffic [Old] Traffic / Executive Personnel, Cook County Sign Shops [Ch 6]  FMN  Public Works 
453.20000  KNFB429  RM 151.4 PL DOT1 Backup [Old] Back-up Repeater / Portables [Ch 9]  FMN  Public Works 
453.30000  KR5616  RM 151.4 PL DOT1 EM Yard [Old] Expressway Maintenance Yards: Cook (except I-57, Bishop Ford & 394) [Ch 7]  FMN  Public Works 
453.40000  WPBZ422  RM 151.4 PL DOT1 W Maint [Old] Kane County - West Maintenance [Ch 8]  FMN  Public Works 
453.70000  KQO359  RM 151.4 PL DOT1 ETP Adm [Old] ETP - Admin / Backup (Old ETP)  FMN  Public Works 

District 2 - Dixon

Bureau, Carroll, Lee, Ogle, Rock Island, Henry & Whiteside Counties
*WQQI740 - Ohio (BUREAU) for Bases on 47.14, 47.34, 47.38 Base/Mobile 
*WQQI738 - Compton (LEE) for Bases on 47.14, 47.34, 47.38 Base/Mobile

Frequency  License  Type  Tone  Alpha Tag  Description  Mode  Tag 
47.34000  WPRS251  BM 123.0 PL IDOT D2 F1B Dispatch: Base-to-Mobiles [Ch 1]  FM  Public Works 
47.14000  WPRS251  M 123.0 PL IDOT D2 F1M Dispatch: Mobiles-toBase [Ch 1]  FM  Public Works 

District 3 - Ottawa

Kendall, LaSalle, Livingston, Mercer Counties

Frequency  License  Type  Tone  Alpha Tag  Description  Mode  Tag 
47.02000  WQQI575  B 123.0 PL IDOT D3 Base Dispatch: Base-to-Mobiles   FM  Public Works 
47.10000  WQQI572  M 123.0 PL IDOT D3 Mob Dispatch: Mobiles-to-Base   FM  Public Works 
453.87500  KR5616  M 127.3 PL IDOT D3 Trfc Traffic Control  FMN  Public Works 

District 4 - Peoria

Fulton, Henderson, Knox, McDonough, Marshall, Mercer, Peoria, Putnam, Stark, Tazewell, Warren, Woodford Counties
*WQQI745 - Wenona (Marshall) for Bases on 47.02, 47.1, 47.14, 47.38  Base/Mobile 
*WQQI741 - Monmouth (WARREN) for 47.06, 47.18, 47.3, 47.38  Base/Mobile 
*WQQI461 - Farmington (FULTON) for 47.06, 47.18, 47.3, 47.38 Base/Mobile

STARCOM21 Statewide Illinois P25    
Project 25 Phase II    
Appears to be using TG 4479 for operations (as of June 2013)

Frequency  License  Type  Tone  Alpha Tag  Description  Mode  Tag 
47.06000  WPPB319  B 123.0 PL IDOT D4 Base Dispatch: Base-to-Mobiles  FM  Public Works 
47.18000  WPPB319  M 123.0 PL IDOT D4 Mob Dispatch: Mobiles-to-Base  FM  Public Works 
47.30000  WQL751  BM 123.0 PL IDOT D4 Ops District Operations - Main  FM  Public Works 
453.36250    M 110.9 PL IDOT D4 Port Road Construction Crews (Lane Closures/Portables)  FMN  Public Works 

District 5 - Paris

Champaign, DeWitt, Douglas, Edgar, McLean, Piatt, Vermilion Counties

STARCOM21 Statewide Illinois P25    
Project 25 Phase II    
12/12 - IDOT trucks in District 5 are now using Starcom21 as their primary communications system.

Frequency  License  Type  Tone  Alpha Tag  Description  Mode  Tag 
47.34000  WPQK991  B 110.9 PL IDOT D5 Base Dispatch: Base-to-Mobiles  FM  Public Works 
47.14000  WNHK400  B 110.9 PL IDOT D5 Mob Dispatch: Mobiles-to-Base  FM  Public Works 
47.10000  WPFZ647  BM 123.0 PL IDOT D5 Blmg Bloomington Yard   FM  Deprecated 
47.10000  WPFZ648  BM 123.0 PL IDOT D5 Twnd Towanda Yard  FM  Deprecated 
47.14000  KSI759  BM 110.9 PL IDOT D5 Lvrt Leverett Yard (north of Champaign)  FM  Deprecated 
47.34000  KAH322  BM 110.9 PL IDOT D5 Chmp Champaign Yard  FM  Deprecated 

District 6 - Springfield

Adams, Brown, Cass, Christian, Hancock, Logan, Macoupin, Mason, Menard, Montgomery, Morgan, Pike, Sangamon, Schuyler, Scott Counties

STARCOM21 Statewide Illinois P25    
Project 25 Phase II    
Springfield/Farmingdale area on TG 5658 (12/16/13)

Frequency  License  Type  Tone  Alpha Tag  Description  Mode  Tag 
47.38000  KSQ870  B 110.9 PL IDOT D6 Base Dispatch: Base-to-Mobiles  FM  Public Works 
47.30000  KWE805  M 110.9 PL IDOT D6 Mob Dispatch: Mobiles-to-Base  FM  Public Works 
47.14000    BM 110.9 PL IDOT D6 Lfld Litchfield Ops [No License]  FM  Public Works 
47.30000  WNPV490  BM 110.9 PL IDOT D6 Cvll Carlinville Ops  FM  Public Works 
955.55000  KJW21  F IDOT D6 MW Microwave Link (CSQ; heard by D9 HQ)  Telm  Data 
453.36250    M 110.9 PL T6 RoadCrew Road Construction Crews (Lane Closures/Portables)  FMN  Public Works 

District 7 - Effingham

Clark, Clay, Coles, Crawford, Cumberland, Edwards, Effingham, Fayette, Jasper, Lawrence, Macon, Moultrie, Richland, Shelby, Wabash, Wayne Counties

STARCOM21 Statewide Illinois P25    
Project 25 Phase II    
Most snow plow operations appear to be on 7779 and 7780 (1/14)

Frequency  License  Type  Tone  Alpha Tag  Description  Mode  Tag 
47.06000  WPDJ266  B 110.9 PL IDOT D7 Base Dispatch: Base-to-Mobiles  FM  Public Works 
47.18000  WPDJ266  M 110.9 PL IDOT D7 Mob Dispatch: Mobiles-to-Base [Expired]  FM  Public Works 
453.51250  KR5616  M 110.9 PL IDOT D7 Trfc DOT Traffic Control (handheld radios)  FMN  Public Works 

District 8 - Fairview Heights

Bond, Calhoun, Clinton, Greene, Jersey, Madison, Marion, Monroe, Randolph, St. Clair, Washington Counties
*Base heard calling EPV-53 on 47.02 110.9 PL

STARCOM21 Statewide Illinois P25    
Project 25 Phase II    
EPV (Emergency Patrol Vehicles), Admin and Water Level units (?) use TGs 7776 - 7781 (10/13) Possibly now all District 8 units using talkgroups 8613 - 8622

Frequency  License  Type  Tone  Alpha Tag  Description  Mode  Tag 
47.02000  WQQI461  B 110.9 PL IDOT D8 Base Dispatch: Base-to-Mobiles  FM  Public Works 
47.10000  WQQI461  M 110.9 PL IDOT D8 Mob Dispatch: Mobiles-to-Base  FM  Public Works 
47.02000  WQQI461  M 107.2 PL IDOT D8 02A Operations  FM  Public Works 
47.34000  WQQI461  M 110.9 PL IDOT D8 34A Operations   FM  Public Works 
47.34000  WQQI461  M 151.4 PL IDOT D8 34B Operations  FM  Public Works 
453.02500  KR5616  M 110.9 PL IDOT D8 MX Mobile Extender   FMN  Public Works 
453.02500  KR5616  M 110.9 PL IDOT D8 RC-1 Road Construction   FMN  Public Works 
453.71250  WPGA913  M 127.3 PL IDOT D8 RC-2 Road Construction Crews   FMN  Public Works 

District 9 - Carbondale

Alexander, Franklin, Gallatin, Hamilton, Hardin, Jackson, Jefferson, Johnson, Massac, Perry, Pope, Pulaski, Saline, Union, White, Williamson Counties

Frequency  License  Type  Tone  Alpha Tag  Description  Mode  Tag 
47.38000  KUE653  B 123.0 PL IDOT D9 Base Operations: Base-to-Mobiles  FM  Public Works 
47.30000  KUE653  M 123.0 PL IDOT D9 Mob Operations: Mobiles-to-Base  FM  Public Works 
453.87500  KR5616  M 110.9 PL IDOT D9 Road Road Sign Crews  FMN  Public Works 


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