391.11B4 — Medical (Certificate) - Operating a CDL (passenger or property carrying) vehicle that is non-excepted and the driver has self-certified as excepted interstate or

FMCSA violation code under Driver Fitness. 4,026 events recorded in roadside inspections. Severity weight: N/A.

Severity Weight
N/A
OOS Eligible
No
BASIC Category
Driver Fitness
Total Events
4,026
Code
391.11B4
Code System
FMCSR
BASIC Category
OOS Eligible
No
Severity Weight
N/A
Violation Group
Total Events
4,026
Carriers Cited
3,699

Violation Description

Medical (Certificate) - Operating a CDL (passenger or property carrying) vehicle that is non-excepted and the driver has self-certified as excepted interstate or

About This Violation Code

Code 391.11B4 falls under the Driver Fitness BASIC category in FMCSA's Safety Measurement System (SMS).

When this violation is cited during a roadside inspection, it contributes to the carrier's Driver Fitness 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 391.11B4 in the Federal Motor Carrier Safety Regulations.

Events (all time)
4,026
OOS Events
3,827
OOS Rate
95.1%
Top State (180d)
Texas
312 events

Top Enforcing States

Where 391.11B4 is most commonly cited (last 180 days)

1.Texas
312
OOS 99.7%
2.California
202
OOS 93.6%
3.Missouri
66
OOS 100.0%
4.North Carolina
61
OOS 95.1%
5.Iowa
41
OOS 70.7%
6.New York
37
OOS 100.0%
7.Pennsylvania
37
OOS 97.3%
8.Georgia
31
OOS 100.0%
9.Arkansas
28
OOS 100.0%
10.Ohio
27
OOS 100.0%
11.Idaho
25
OOS 92.0%
12.Arizona
24
OOS 100.0%
13.Kentucky
23
OOS 91.3%
14.New Mexico
20
OOS 100.0%
15.US
19
OOS 100.0%

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

Citation Trend (12 months)

Monthly count of 391.11B4 citations. Red bars mark months with OOS-triggering citations.

106
Apr
228
May
240
Jun
271
Jul
245
Aug
249
Sep
243
Oct
204
Nov
214
Dec
198
Jan
253
Feb
241
Mar
8
Apr

Most Active Stations

Inspection stations citing 391.11B4 most often (last 180 days)

1.COLUMBIA POE
27
OOS 100.0%
2.ST. LOUIS MO
22
OOS 100.0%
3.DESERT HILLS IF
16
OOS 56.3%
4.EHRENBERG AZ
16
OOS 100.0%
5.LONDON
15
OOS 93.3%
6.CORDELIA IF
14
OOS 100.0%
8.NJ
10
OOS 30.0%
9.NIMITZ IF
10
OOS 100.0%
10.KANSAS CITY MO
10
OOS 100.0%

Often Cited Together

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

Top Carriers Cited

Ranked by frequency • 3,699 carriers total • Page 1 of 148

Recent Inspections

Latest inspections where 391.11B4 was cited • 4,026 total events • Page 1 of 162

Recent Inspections with 391.11B4

Showing 25 of 4,026

fmcsa-inspections
Recent Inspections with 391.11B4
DateReport #StateLevelOOS
Apr 3, 202687489345CALevel 2Yes
Apr 2, 202687486475NCLevel 2Yes
Apr 2, 202687488114TXLevel 1Yes
Apr 2, 202687480341CALevel 1Yes
Apr 1, 202687476718MALevel 3Yes
Apr 1, 202687487059TXLevel 2Yes
Apr 1, 202687485980NCLevel 1Yes
Apr 1, 202687480615CALevel 3Yes
Mar 31, 202687446618ALLevel 2Yes
Mar 31, 202687459896NCLevel 3Yes
Mar 31, 202687471069CALevel 3Yes
Mar 31, 202687477536IALevel 3Yes
Mar 31, 202687481862GALevel 3Yes
Mar 31, 202687470471CALevel 3Yes
Mar 31, 202687451311MOLevel 2Yes
Mar 31, 202687465557OKLevel 2Yes
Mar 31, 202687446563ALLevel 2Yes
Mar 31, 202687459114ARLevel 3Yes
Mar 30, 202687472759WILevel 3Yes
Mar 30, 202687474906GALevel 2Yes
Mar 30, 202687437980ALLevel 2Yes
Mar 30, 202687458936ALLevel 2Yes
Mar 28, 202687441506TXLevel 1Yes
Mar 28, 202687428799USLevel 2Yes
Mar 28, 202687453369IALevel 3Yes

Data sources & freshness

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