393.60(b) — Unauthorized tinting on windshield

FMCSA violation code under Vehicle Maintenance. 670 events recorded in roadside inspections. Severity weight: 3.

Severity Weight
3
OOS Eligible
No
BASIC Category
Vehicle Maintenance
Total Events
670
Code
393.60(b)
Code System
FMCSR
BASIC Category
OOS Eligible
No
Severity Weight
3
Violation Group
BASIC 5
Total Events
670
Carriers Cited
640

Violation Description

Windshield or front side windows have unauthorized tinting or coating that reduces light transmittance below legal limits.

About This Violation Code

Code 393.60(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 393.60 in the Federal Motor Carrier Safety Regulations.

Events (all time)
670
OOS Events
8
OOS Rate
1.2%
Top State (180d)

Top Carriers Cited

Ranked by frequency • 640 carriers total • Page 1 of 26

Top Carriers with 393.60(b) Violations

Showing 25 of 640

fmcsa-violations

Recent Inspections

Latest inspections where 393.60(b) was cited • 670 total events • Page 1 of 27

Recent Inspections with 393.60(b)

Showing 25 of 670

fmcsa-inspections
Recent Inspections with 393.60(b)
DateReport #StateLevelOOS
Oct 8, 202482866206MALevel 2No
Oct 7, 202482846163MALevel 1No
Oct 7, 202482846446MDLevel 1No
Oct 3, 202482873985AZLevel 2No
Oct 3, 202482833882MALevel 2No
Oct 2, 202482846140MALevel 1No
Sep 26, 202482791038MALevel 3No
Sep 26, 202482790847MALevel 1No
Sep 25, 202482791022MALevel 3No
Sep 25, 202482767786KSLevel 1No
Sep 25, 202482757082OKLevel 1No
Sep 24, 202482757169IALevel 2No
Sep 23, 202482790759MALevel 1No
Sep 22, 202482790875MALevel 1No
Sep 21, 202482790861MALevel 1No
Sep 19, 202482713931MALevel 1No
Sep 17, 202482690451MALevel 3No
Sep 17, 202482679743MALevel 1No
Sep 17, 202482679744MALevel 1No
Sep 16, 202482666795MALevel 2No
Sep 13, 202482666769MALevel 2No
Sep 12, 202482641572MALevel 2No
Sep 11, 202482641484MALevel 2No
Sep 11, 202482803329NYLevel 1No
Sep 11, 202482641504MALevel 1No

Data sources & freshness

FMCSA Vehicle Inspections and Violations
Updated 3 months ago
Federal Motor Carrier Safety Regulations (49 CFR)
Unknown freshness