393.11A1-LSML — Lighting devices/reflectors

FMCSA violation code under Vehicle Maintenance. 8,606 events recorded in roadside inspections. Severity weight: 3.

Severity Weight
3
OOS Eligible
No
BASIC Category
Vehicle Maintenance
Total Events
8,606
Code
393.11A1-LSML
Code System
FMCSR
BASIC Category
OOS Eligible
No
Severity Weight
3
Violation Group
Total Events
8,606
Carriers Cited
6,816

Violation Description

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

About This Violation Code

Code 393.11A1-LSML 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 393.11A1 in the Federal Motor Carrier Safety Regulations.

Events (all time)
8,606
OOS Events
4
OOS Rate
0.0%
Top State (180d)
California
373 events

Top Enforcing States

Where 393.11A1-LSML is most commonly cited (last 180 days)

1.California
373
OOS 0.0%
2.Florida
266
OOS 0.0%
3.US
200
OOS 0.0%
4.New York
123
OOS 0.0%
5.Georgia
109
OOS 0.0%
6.Alabama
86
OOS 0.0%
7.New Jersey
79
OOS 0.0%
8.Utah
67
OOS 0.0%
9.Arizona
55
OOS 0.0%
10.Pennsylvania
54
OOS 0.0%
11.Connecticut
52
OOS 0.0%
12.Missouri
47
OOS 0.0%
13.South Carolina
44
OOS 0.0%
14.Virginia
40
OOS 0.0%
15.Wisconsin
39
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 393.11A1-LSML citations. Red bars mark months with OOS-triggering citations.

279
Apr
499
May
478
Jun
519
Jul
473
Aug
532
Sep
499
Oct
328
Nov
326
Dec
335
Jan
377
Feb
382
Mar
17
Apr

Most Active Stations

Inspection stations citing 393.11A1-LSML most often (last 180 days)

1.LAREDO TX
70
OOS 0.0%
2.NJ
51
OOS 0.0%
3.BROWNSVILLE TX
41
OOS 0.0%
4.PUNTA GORDA FL
35
OOS 0.0%
5.NOGALES AZ
35
OOS 0.0%
6.OTAY MESA IF
31
OOS 0.0%
7.DESERT HILLS IF
20
OOS 0.0%
8.DOUGLAS AZ
18
OOS 0.0%
9.PHARR TX
17
OOS 0.0%
10.CALEXICO IF
12
OOS 0.0%

Often Cited Together

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

Top Carriers Cited

Ranked by frequency • 6,816 carriers total • Page 1 of 273

Recent Inspections

Latest inspections where 393.11A1-LSML was cited • 8,606 total events • Page 1 of 345

Recent Inspections with 393.11A1-LSML

Showing 25 of 8,606

fmcsa-inspections
Recent Inspections with 393.11A1-LSML
DateReport #StateLevelOOS
Apr 3, 202687489400CALevel 2No
Apr 2, 202687488535CALevel 1No
Apr 2, 202687486705OKLevel 1No
Apr 2, 202687483720PALevel 2No
Apr 2, 202687484468VALevel 1No
Apr 2, 202687484273ALLevel 2No
Apr 2, 202687481290CALevel 2No
Apr 2, 202687480227CALevel 3No
Apr 2, 202687489392CALevel 1No
Apr 2, 202687476224ALLevel 2No
Apr 1, 202687459256USLevel 1No
Apr 1, 202687469818CALevel 2No
Apr 1, 202687489486CALevel 2No
Apr 1, 202687458835VALevel 1No
Apr 1, 202687483808FLLevel 1No
Apr 1, 202687470171CALevel 2No
Apr 1, 202687483370FLLevel 1No
Mar 31, 202687450777GALevel 1No
Mar 31, 202687477807MILevel 5No
Mar 31, 202687474108AZLevel 1No
Mar 31, 202687471280CALevel 1No
Mar 31, 202687469850CALevel 2No
Mar 31, 202687469780CALevel 1No
Mar 31, 202687469693CALevel 2No
Mar 31, 202687451652UTLevel 1No

Data sources & freshness

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