393.11B-CSSRR — Lighting devices/reflectors

FMCSA violation code under Vehicle Maintenance. 3,177 events recorded in roadside inspections. Severity weight: 3.

Severity Weight
3
OOS Eligible
No
BASIC Category
Vehicle Maintenance
Total Events
3,177
Code
393.11B-CSSRR
Code System
FMCSR
BASIC Category
OOS Eligible
No
Severity Weight
3
Violation Group
Total Events
3,177
Carriers Cited
2,491

Violation Description

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

About This Violation Code

Code 393.11B-CSSRR 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)
3,177
OOS Events
0
OOS Rate
0.0%
Top State (180d)
California
148 events

Top Enforcing States

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

1.California
148
OOS 0.0%
2.Arizona
124
OOS 0.0%
3.US
108
OOS 0.0%
4.Florida
63
OOS 0.0%
5.Oregon
42
OOS 0.0%
6.Kansas
33
OOS 0.0%
7.Missouri
30
OOS 0.0%
8.Georgia
20
OOS 0.0%
9.Michigan
19
OOS 0.0%
10.Pennsylvania
19
OOS 0.0%
11.Utah
18
OOS 0.0%
12.Colorado
17
OOS 0.0%
13.Alabama
16
OOS 0.0%
14.New Jersey
15
OOS 0.0%
15.Wisconsin
15
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-CSSRR citations. Red bars mark months with OOS-triggering citations.

93
Apr
192
May
173
Jun
186
Jul
183
Aug
164
Sep
180
Oct
149
Nov
145
Dec
124
Jan
144
Feb
186
Mar
16
Apr

Most Active Stations

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

1.NOGALES AZ
32
OOS 0.0%
2.DOUGLAS AZ
22
OOS 0.0%
3.ASHLAND OR
19
OOS 0.0%
4.BROWNSVILLE TX
18
OOS 0.0%
5.LITTLEFIELD AZ
18
OOS 0.0%
6.CORDELIA IF
17
OOS 0.0%
7.MADERA AREA
17
OOS 0.0%
8.PRESIDIO TX
16
OOS 0.0%
9.DELRAY BEACH FL
16
OOS 0.0%
10.EHRENBERG AZ
13
OOS 0.0%

Often Cited Together

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

Top Carriers Cited

Ranked by frequency • 2,491 carriers total • Page 1 of 100

Recent Inspections

Latest inspections where 393.11B-CSSRR was cited • 3,177 total events • Page 1 of 128

Recent Inspections with 393.11B-CSSRR

Showing 25 of 3,177

fmcsa-inspections
Recent Inspections with 393.11B-CSSRR
DateReport #StateLevelOOS
Apr 2, 202687476224ALLevel 2No
Apr 2, 202687476503USLevel 1No
Apr 1, 202687476794MELevel 2No
Apr 1, 202687458748ORLevel 2No
Apr 1, 202687482525KSLevel 2No
Apr 1, 202687483184KSLevel 1No
Apr 1, 202687483288FLLevel 2No
Apr 1, 202687483228FLLevel 2No
Apr 1, 202687459256USLevel 1No
Apr 1, 202687469816CALevel 2No
Apr 1, 202687469912CALevel 2No
Apr 1, 202687474831FLLevel 2No
Apr 1, 202687475068NDLevel 2No
Mar 31, 202687473348FLLevel 2No
Mar 31, 202687470189CALevel 2No
Mar 31, 202687471306CALevel 2No
Mar 31, 202687472825AZLevel 2No
Mar 31, 202687473391AZLevel 2No
Mar 31, 202687473718AZLevel 2No
Mar 31, 202687473789COLevel 1No
Mar 31, 202687478555NVLevel 2No
Mar 31, 202687457453FLLevel 2No
Mar 31, 202687457281ALLevel 1No
Mar 30, 202687455100FLLevel 2No
Mar 30, 202687455265FLLevel 2No

Data sources & freshness

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