999 — 999

FMCSA violation code under Unknown. 4,802 events recorded in roadside inspections. Severity weight: N/A.

Severity Weight
N/A
OOS Eligible
No
BASIC Category
Unknown
Total Events
4,802
Code
999
Code System
FMCSR
BASIC Category
Unknown
OOS Eligible
No
Severity Weight
N/A
Violation Group
Total Events
4,802
Carriers Cited
3,950

About This Violation Code

Code 999 falls under the Unknown BASIC category in FMCSA's Safety Measurement System (SMS).

When this violation is cited during a roadside inspection, it contributes to the carrier's Unknown 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 999 in the Federal Motor Carrier Safety Regulations.

Events (all time)
4,802
OOS Events
579
OOS Rate
12.1%
Top State (180d)
Texas
294 events

Top Enforcing States

Where 999 is most commonly cited (last 180 days)

1.Texas
294
OOS 9.9%
2.Pennsylvania
3
OOS 33.3%

Click a state to see roadside inspection activity, top stations, and carrier profiles in that jurisdiction.

Citation Trend (12 months)

Monthly count of 999 citations. Red bars mark months with OOS-triggering citations.

19
Apr
80
May
52
Jun
62
Jul
48
Aug
59
Sep
69
Oct
50
Nov
61
Dec
53
Jan
55
Feb
50
Mar
1
Apr

Most Active Stations

Inspection stations citing 999 most often (last 180 days)

Often Cited Together

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

Top Carriers Cited

Ranked by frequency • 3,950 carriers total • Page 1 of 158

Recent Inspections

Latest inspections where 999 was cited • 4,802 total events • Page 1 of 193

Recent Inspections with 999

Showing 25 of 4,802

fmcsa-inspections
Recent Inspections with 999
DateReport #StateLevelOOS
Apr 2, 202687488201TXLevel 1No
Mar 30, 202687467133TXLevel 2No
Mar 30, 202687466744TXLevel 2No
Mar 29, 202687479670TXLevel 2No
Mar 28, 202687466465TXLevel 1Yes
Mar 26, 202687467149TXLevel 1No
Mar 26, 202687467945TXLevel 1No
Mar 26, 202687466189TXLevel 1No
Mar 26, 202687440714TXLevel 2Yes
Mar 25, 202687423444TXLevel 2No
Mar 25, 202687468160TXLevel 2No
Mar 25, 202687423368TXLevel 2No
Mar 24, 202687424040TXLevel 2No
Mar 24, 202687440677TXLevel 1No
Mar 23, 202687397326TXLevel 1No
Mar 20, 202687385087TXLevel 1No
Mar 20, 202687384585TXLevel 2No
Mar 20, 202687385089TXLevel 2No
Mar 20, 202687374171TXLevel 1No
Mar 19, 202687384519TXLevel 1No
Mar 19, 202687344299TXLevel 2No
Mar 19, 202687344619TXLevel 2No
Mar 18, 202687384672TXLevel 2No
Mar 18, 202687384611TXLevel 2No
Mar 16, 202687323599TXLevel 2No

Data sources & freshness

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