393.60 — Glazing/window obstructions
FMCSA violation code under Vehicle Maintenance. Severity weight: 4.
Violation Description
Glazing (windshield and windows) on CMV is cracked, discolored, or obstructed to the extent that visibility is reduced.
About This Violation Code
Code 393.60 falls under the Vehicle Maintenance BASIC category in FMCSA's Safety Measurement System (SMS). It carries a severity weight of 4 (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.