393.11(b) — Lighting devices/reflectors

FMCSA violation code under Vehicle Maintenance. 3,533 events recorded in roadside inspections. Severity weight: 3.

Severity Weight
3
OOS Eligible
No
BASIC Category
Vehicle Maintenance
Total Events
3,533
Code
393.11(b)
Code System
FMCSR
BASIC Category
OOS Eligible
No
Severity Weight
3
Violation Group
Total Events
3,533
Carriers Cited
2,335

Violation Description

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

About This Violation Code

Code 393.11(b) 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 393.11 in the Federal Motor Carrier Safety Regulations.

Events (all time)
3,533
OOS Events
0
OOS Rate
0.0%
Top State (180d)

Top Carriers Cited

Ranked by frequency • 2,335 carriers total • Page 1 of 94

Recent Inspections

Latest inspections where 393.11(b) was cited • 3,533 total events • Page 1 of 142

Recent Inspections with 393.11(b)

Showing 25 of 3,533

fmcsa-inspections
Recent Inspections with 393.11(b)
DateReport #StateLevelOOS
Oct 15, 202482907243ORLevel 1No
Oct 15, 202482913402CALevel 2No
Oct 15, 202482908110ORLevel 1No
Oct 15, 202482907755UTLevel 1No
Oct 15, 202482907675SCLevel 1No
Oct 14, 202482914133CALevel 2No
Oct 14, 202482897861UTLevel 1No
Oct 14, 202482904850USLevel 1No
Oct 14, 202482897847UTLevel 1No
Oct 14, 202482910834KSLevel 2No
Oct 14, 202482897852SDLevel 2No
Oct 14, 202482898398USLevel 1No
Oct 14, 202482906309UTLevel 1No
Oct 14, 202482898052UTLevel 1No
Oct 14, 202482900242NVLevel 2No
Oct 14, 202482910927KSLevel 1No
Oct 14, 202482899566OKLevel 2No
Oct 12, 202482908043USLevel 1No
Oct 11, 202482898076USLevel 1No
Oct 11, 202482907973USLevel 1No
Oct 11, 202482900126MILevel 1No
Oct 11, 202482900129MILevel 2No
Oct 11, 202482887852OKLevel 2No
Oct 11, 202482899954KSLevel 2No
Oct 11, 202482890541CALevel 2No

Data sources & freshness

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