393.11B-CSRIGRR — Lighting devices/reflectors

FMCSA violation code under Vehicle Maintenance. 5,480 events recorded in roadside inspections. Severity weight: 3.

Severity Weight
3
OOS Eligible
No
BASIC Category
Vehicle Maintenance
Total Events
5,480
Code
393.11B-CSRIGRR
Code System
FMCSR
BASIC Category
OOS Eligible
No
Severity Weight
3
Violation Group
Total Events
5,480
Carriers Cited
4,361

Violation Description

Operating a commercial motor vehicle with inadequate or missing lighting devices or reflectors.

About This Violation Code

Code 393.11B-CSRIGRR falls under the Vehicle Maintenance BASIC category in FMCSA's Safety Measurement System (SMS). It carries a severity weight of 3 (scale 1-10, higher = more severe).

When this violation is cited during a roadside inspection, it contributes to the carrier's Vehicle Maintenance 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 393.11B in the Federal Motor Carrier Safety Regulations.

Events (all time)
5,480
OOS Events
0
OOS Rate
0.0%
Top State (180d)
Arizona
556 events

Top Enforcing States

Where 393.11B-CSRIGRR is most commonly cited (last 180 days)

1.Arizona
556
OOS 0.0%
2.California
218
OOS 0.0%
3.US
119
OOS 0.0%
4.Alabama
93
OOS 0.0%
5.Oregon
77
OOS 0.0%
6.Michigan
46
OOS 0.0%
7.South Carolina
45
OOS 0.0%
8.Utah
43
OOS 0.0%
9.Virginia
34
OOS 0.0%
10.Florida
32
OOS 0.0%
11.Georgia
32
OOS 0.0%
12.Missouri
26
OOS 0.0%
13.Pennsylvania
25
OOS 0.0%
14.Kansas
21
OOS 0.0%
15.New York
19
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 393.11B-CSRIGRR citations. Red bars mark months with OOS-triggering citations.

145
Apr
341
May
318
Jun
338
Jul
357
Aug
352
Sep
365
Oct
270
Nov
249
Dec
268
Jan
311
Feb
311
Mar
10
Apr

Most Active Stations

Inspection stations citing 393.11B-CSRIGRR most often (last 180 days)

1.NOGALES AZ
65
OOS 0.0%
2.KINGMAN AZ
60
OOS 0.0%
3.ELOY AZ
51
OOS 0.0%
4.LITTLEFIELD AZ
49
OOS 0.0%
5.OTAY MESA IF
48
OOS 0.0%
6.CASA GRANDE AZ
47
OOS 0.0%
7.YUMA AZ
37
OOS 0.0%
8.TUCSON AZ
32
OOS 0.0%
9.ASHLAND OR
31
OOS 0.0%
10.DOUGLAS AZ
30
OOS 0.0%

Often Cited Together

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

Top Carriers Cited

Ranked by frequency • 4,361 carriers total • Page 1 of 175

Top Carriers with 393.11B-CSRIGRR Violations

Showing 25 of 4,361

fmcsa-violations

Recent Inspections

Latest inspections where 393.11B-CSRIGRR was cited • 5,480 total events • Page 1 of 220

Recent Inspections with 393.11B-CSRIGRR

Showing 25 of 5,480

fmcsa-inspections
Recent Inspections with 393.11B-CSRIGRR
DateReport #StateLevelOOS
Apr 2, 202687480471CALevel 2No
Apr 2, 202687484761OHLevel 2No
Apr 2, 202687476574ORLevel 2No
Apr 1, 202687476622ALLevel 2No
Apr 1, 202687484428AZLevel 2No
Apr 1, 202687475073GALevel 2No
Apr 1, 202687483621AZLevel 2No
Apr 1, 202687483289TNLevel 2No
Apr 1, 202687483064AZLevel 2No
Apr 1, 202687480165CALevel 2No
Mar 31, 202687474053AZLevel 2No
Mar 31, 202687474268AZLevel 1No
Mar 31, 202687457315MOLevel 2No
Mar 31, 202687482002GALevel 2No
Mar 31, 202687446021PALevel 1No
Mar 31, 202687451579PALevel 2No
Mar 31, 202687465424OKLevel 3No
Mar 31, 202687469835CALevel 2No
Mar 31, 202687470743CALevel 2No
Mar 31, 202687472809AZLevel 2No
Mar 31, 202687473799AZLevel 2No
Mar 30, 202687474418ALLevel 2No
Mar 30, 202687456479AZLevel 1No
Mar 30, 202687456200AZLevel 2No
Mar 30, 202687451044ARLevel 1No

Data sources & freshness

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