DILLON MT

Roadside inspection site in Montana • 317 inspections on record

OOS Rate: 23.3%
Total Inspections
317
OOS Rate
23.3%
OOS Inspections
74
Unique Carriers
261
HazMat Inspections
0
Avg Violations
1.6
Name
DILLON MT
State
Montana (MT)
Facility Type
Total Inspections
317
OOS Rate
23.3%
Active Since
Jan 1, 2020
Latest Inspection
Mar 25, 2026

About This Inspection Site

DILLON MT is a roadside inspection location in Montana where FMCSA-certified inspectors conduct safety inspections of commercial motor vehicles under the Motor Carrier Safety Assistance Program (MCSAP). This site has conducted 317 recorded inspections from Jan 1, 2020 to Mar 25, 2026.

A total of 261 unique carriers have been inspected at this site. The average number of violations per inspection is 1.6. The out-of-service rate is 23.3%, meaning a moderate number of inspected vehicles or drivers are placed out of service for safety deficiencies.

Inspections follow CVSA (Commercial Vehicle Safety Alliance) North American Standard procedures and may include weight checks, credential verification, mechanical inspection, hours-of-service compliance review, and hazardous materials documentation checks. Vehicles or drivers that fail critical safety criteria are placed out of service until deficiencies are corrected.

The most frequently cited violation at this site is No proof of periodic inspection (Vehicle Maintenance) with 30 citations, followed by Operating a CMV while ill or fatigued (28 citations). A total of 100 distinct violation codes have been cited at this location.

Inspection Level Breakdown

317 inspections by CVSA level

Top Violations

100 violation codes cited at this site (page 1 of 2)

#CodeDescriptionBASIC CategoryCitationsOOSOOS %
1396.17C-PINo proof of periodic inspectionVehicle Maintenance300
2392.2-SLLOperating a CMV while ill or fatiguedUnsafe Driving280
3393.55E-BCoupling device/towing methods defectiveVehicle Maintenance250
4392.2Operating a CMV while ill or fatiguedUnsafe Driving200
5393.45D-BBrake tubing/hoses inadequateVehicle Maintenance180
6393.9(a)Inoperable required lampsVehicle Maintenance1119.1%
7393.9A-LRLIInoperable required lampsVehicle Maintenance100
8392.9A2-CCargo - Vehicle components or dunnage not securedUnsafe Driving1010100.0%
9396.17(c)No proof of periodic inspectionVehicle Maintenance100
10392.2-SLLEDOperating a CMV while ill or fatiguedUnsafe Driving100
11393.75C-TAOTD-LT2/32Tire tread depth insufficient (other axles)Vehicle Maintenance90
12393.75A3-TAOLTires - All others leaking or inflation less than 50% of the maximum inflation pressure on tire not equipped with ATISVehicle Maintenance99100.0%
13393.55(d)(1)Coupling device/towing methods defectiveVehicle Maintenance80
14393.9A-LILInoperable required lampsVehicle Maintenance80
15393.55(e)Coupling device/towing methods defectiveVehicle Maintenance80
16392.2-SLLIFTAOperating a CMV while ill or fatiguedUnsafe Driving70
17395.8E-HOSPDFalse record of duty statusHours of Service7114.3%
18395.8A1-HOSPHOS (Property) - Failing to have a record of duty status using the method prescribedHours of Service77100.0%
19392.2-SLLSROperating a CMV while ill or fatiguedUnsafe Driving70
20396.3A1-BALRAir Brake - Fails air loss rate testVehicle Maintenance66100.0%
21396.3(a)(1)Inspection/repair/maintenance - generalVehicle Maintenance6350.0%
22393.95A1Emergency Equipment - Fire Extinguishers - no fire extinguisher present or not properly rated.Vehicle Maintenance60
23383.23A2-LCDLNLicense (CDL) - Operate a CMV and does not possess a valid CDLDriver Fitness66100.0%
24390.21TB1-MC390.21TB1-MCGeneral/Admin50
25393.53B-BSteering system components wornVehicle Maintenance50
26393.55D1-BCoupling device/towing methods defectiveVehicle Maintenance50
27395.8(a)Failing to keep RODSHours of Service50
28393.45D-BAALBrake tubing/hoses inadequateVehicle Maintenance55100.0%
29393.60(c)Glazing/window obstructionsVehicle Maintenance50
30393.104F3-CCargo securement - tiedown damagedVehicle Maintenance40
31393.45(d)Brake tubing/hoses inadequateVehicle Maintenance4125.0%
32393.47ESlack adjuster defectiveVehicle Maintenance40
33393.95FEmergency Equipment - Stopped vehicle warning devices missing or improperVehicle Maintenance40
34396.3A1-BALACBrake - Audible air leak from a brake chamberVehicle Maintenance40
35395.24HOS (ELD) - ELD Form and MannerHours of Service40
36393.60CGlazing/window obstructionsVehicle Maintenance40
37393.95A4-EEUSEmergency Equipment - Fire Extinguishers - unsecuredVehicle Maintenance40
38393.9A-LTSIRInoperable required lampsVehicle Maintenance40
39392.2-SLLIRPOperating a CMV while ill or fatiguedUnsafe Driving30
40395.8(e)(1)395.8(e)(1)Hours of Service3266.7%
41393.201B-FRFrame - Cab or body mounts loose/broken/missingVehicle Maintenance30
42393.47(e)Slack adjuster defectiveVehicle Maintenance30
43383.23(a)(2)CDL - wrong classDriver Fitness33100.0%
44393.55C1-BCoupling device/towing methods defectiveVehicle Maintenance30
45393.205C-WRAWFLMIBWheel/Rim - Any wheel fasteners loose/missing/ineffective/broken.Vehicle Maintenance30
46393.9A-LTSIInoperable required lampsVehicle Maintenance22100.0%
47393.87A-FPLRWarning flags on projecting loads missingVehicle Maintenance22100.0%
48393.201A-FRMCFrame - cracked/loose/brokenVehicle Maintenance22100.0%
49393.9A-LSMLInoperable required lampsVehicle Maintenance20
50391.41(a)Physical qualification - generalDriver Fitness20
Showing 150 of 100

Top Carriers Inspected

20 most frequently inspected carriers at this site

Recent Inspections

317 inspections at this site (page 1 of 13)

Data sources & freshness

FMCSA Vehicle Inspection File
Updated 1 weeks ago