390.21TC — 390.21TC

FMCSA violation code under General/Admin. 1,296 events recorded in roadside inspections. Severity weight: N/A.

Severity Weight
N/A
OOS Eligible
No
BASIC Category
General/Admin
Total Events
1,296
Code
390.21TC
Code System
FMCSR
BASIC Category
OOS Eligible
No
Severity Weight
N/A
Violation Group
Total Events
1,296
Carriers Cited
1,176

About This Violation Code

Code 390.21TC falls under the General/Admin BASIC category in FMCSA's Safety Measurement System (SMS).

When this violation is cited during a roadside inspection, it contributes to the carrier's General/Admin 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 390.21TC in the Federal Motor Carrier Safety Regulations.

Events (all time)
1,296
OOS Events
1
OOS Rate
0.1%
Top State (180d)
Iowa
87 events

Top Enforcing States

Where 390.21TC is most commonly cited (last 180 days)

1.Iowa
87
OOS 0.0%
2.Illinois
26
OOS 0.0%
3.North Carolina
2
OOS 0.0%

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

Citation Trend (12 months)

Monthly count of 390.21TC citations. Red bars mark months with OOS-triggering citations.

10
Apr
30
May
20
Jun
12
Jul
14
Aug
20
Sep
15
Oct
22
Nov
22
Dec
13
Jan
23
Feb
25
Mar

Most Active Stations

Inspection stations citing 390.21TC 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 • 1,176 carriers total • Page 1 of 48

Top Carriers with 390.21TC Violations

Showing 25 of 1,176

fmcsa-violations

Recent Inspections

Latest inspections where 390.21TC was cited • 1,296 total events • Page 1 of 52

Recent Inspections with 390.21TC

Showing 25 of 1,296

fmcsa-inspections
Recent Inspections with 390.21TC
DateReport #StateLevelOOS
Mar 31, 202687477537IALevel 3No
Mar 30, 202687453374IALevel 2No
Mar 30, 202687453112IALevel 2No
Mar 30, 202687453686ILLevel 1No
Mar 28, 202687453437IALevel 3No
Mar 28, 202687453439IALevel 2No
Mar 28, 202687432876ILLevel 1No
Mar 25, 202687409180ILLevel 2No
Mar 24, 202687408423IALevel 2No
Mar 22, 202687371413IALevel 1No
Mar 20, 202687371225IALevel 2No
Mar 18, 202687371644IALevel 3No
Mar 17, 202687371472IALevel 3No
Mar 13, 202687313499IALevel 3No
Mar 12, 202687283638IALevel 1No
Mar 12, 202687283716IALevel 3No
Mar 10, 202687262459IALevel 3No
Mar 9, 202687252193ILLevel 2No
Mar 9, 202687252032IALevel 1No
Mar 8, 202687251709IALevel 3No
Mar 6, 202687251819IALevel 2No
Mar 6, 202687252224ILLevel 2No
Mar 5, 202687225945ILLevel 1No
Mar 4, 202687225611IALevel 1No
Mar 3, 202687215299IALevel 2No

Data sources & freshness

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