392.2DIM — Operating a CMV while ill or fatigued

FMCSA violation code under Unsafe Driving. 2,019 events recorded in roadside inspections. Severity weight: 8.

Severity Weight
8
OOS Eligible
No
BASIC Category
Unsafe Driving
Total Events
2,019
Code
392.2DIM
Code System
FMCSR
BASIC Category
OOS Eligible
No
Severity Weight
8
Violation Group
Total Events
2,019
Carriers Cited
1,523

Violation Description

Operating a commercial motor vehicle while the driver's ability or alertness is so impaired through fatigue, illness, or any other cause as to make it unsafe for the driver to begin or continue to operate the vehicle.

About This Violation Code

Code 392.2DIM falls under the Unsafe Driving BASIC category in FMCSA's Safety Measurement System (SMS). It carries a severity weight of 8 (scale 1-10, higher = more severe).

When this violation is cited during a roadside inspection, it contributes to the carrier's Unsafe Driving BASIC score. Carriers with high BASIC percentiles may be prioritized for FMCSA interventions including warning letters, investigations, or compliance reviews.

Regulatory Reference

Federal Motor Carrier Safety Regulations

This violation references 49 CFR 392.2DIM in the Federal Motor Carrier Safety Regulations.

Events (all time)
2,019
OOS Events
17
OOS Rate
0.8%
Top State (180d)
Iowa
254 events

Top Enforcing States

Where 392.2DIM is most commonly cited (last 180 days)

1.Iowa
254
OOS 0.0%
2.Illinois
66
OOS 0.0%
3.North Carolina
41
OOS 0.0%
4.New Mexico
4
OOS 0.0%
5.Pennsylvania
4
OOS 0.0%

Click a state to see roadside inspection activity, top stations, and carrier profiles in that jurisdiction.

Citation Trend (12 months)

Monthly count of 392.2DIM citations. Red bars mark months with OOS-triggering citations.

36
Apr
91
May
73
Jun
81
Jul
74
Aug
69
Sep
60
Oct
63
Nov
66
Dec
50
Jan
68
Feb
98
Mar
1
Apr

Most Active Stations

Inspection stations citing 392.2DIM most often (last 180 days)

5.I74
7
OOS 0.0%
7.US 18 E 179MM
6
OOS 0.0%
8.I-64
6
OOS 0.0%
9.I-380 NB SCALE
5
OOS 0.0%
10.I-35 NB
5
OOS 0.0%

Often Cited Together

Other violations commonly found on the same inspection (last 90 days)

Top Carriers Cited

Ranked by frequency • 1,523 carriers total • Page 1 of 61

Top Carriers with 392.2DIM Violations

Showing 25 of 1,523

fmcsa-violations

Recent Inspections

Latest inspections where 392.2DIM was cited • 2,019 total events • Page 1 of 81

Recent Inspections with 392.2DIM

Showing 25 of 2,019

fmcsa-inspections
Recent Inspections with 392.2DIM
DateReport #StateLevelOOS
Apr 2, 202687486823ILLevel 2No
Mar 31, 202687465934ILLevel 2No
Mar 31, 202687459952NCLevel 2No
Mar 30, 202687453572ILLevel 1No
Mar 30, 202687465961ILLevel 2No
Mar 30, 202687453255IALevel 3No
Mar 30, 202687453374IALevel 2No
Mar 30, 202687453131IALevel 2No
Mar 28, 202687453402IALevel 3No
Mar 28, 202687453431IALevel 2No
Mar 28, 202687453224IALevel 3No
Mar 28, 202687432830ILLevel 3No
Mar 27, 202687429122ILLevel 2No
Mar 27, 202687429123ILLevel 2No
Mar 27, 202687453249IALevel 3No
Mar 26, 202687432296NCLevel 2No
Mar 26, 202687420730IALevel 2No
Mar 25, 202687420941ILLevel 3No
Mar 24, 202687395316NCLevel 2No
Mar 24, 202687408423IALevel 2No
Mar 24, 202687408468IALevel 2No
Mar 24, 202687409024ILLevel 3No
Mar 23, 202687384094IALevel 3No
Mar 23, 202687384092IALevel 3No
Mar 23, 202687384106IALevel 3No

Data sources & freshness

FMCSA Vehicle Inspections and Violations
Unknown freshness
Federal Motor Carrier Safety Regulations (49 CFR)
Unknown freshness