National roadside inspection stats
Inspections
114
that found this code
Violations
121
total written
OOS rate
38.8%
47 OOS
Source: FMCSA roadside inspection data (last 5 years). The OOS rate is the share of these violations that led the officer to mark the driver or vehicle out of service.
- Violation group
- Markings - HM
- Regulation §
- 172.514(b)
- Severity weight
- 5
- Used in SMS
- Yes
- Status
- Active
- Updated
- 6/20/2026
Last updated June 2026
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Notes
DSMS: N