172.332C — Hazmat class/division ID number missing
FMCSA violation code under Hazardous Materials. 5 events recorded in roadside inspections. Severity weight: 4.
Violation Description
Required class or division identification number not displayed on hazmat placards.
About This Violation Code
Code 172.332C falls under the Hazardous Materials 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 Hazardous Materials 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 172.332C in the Federal Motor Carrier Safety Regulations.
Top Enforcing States
Where 172.332C is most commonly cited (last 180 days)
Click a state to see roadside inspection activity, top stations, and carrier profiles in that jurisdiction.
Citation Trend (12 months)
Monthly count of 172.332C citations. Red bars mark months with OOS-triggering citations.
Most Active Stations
Inspection stations citing 172.332C most often (last 180 days)
Often Cited Together
Other violations commonly found on the same inspection (last 90 days)
Citation patterns suggest related root causes (e.g., HOS violations paired with logbook errors).
Top Carriers Cited
Ranked by frequency • 5 carriers total
Top Carriers with 172.332C Violations
| # | Carrier | USDOT | # Violations |
|---|---|---|---|
| #1 | GREENWOOD MOTOR LINES INC | 63391 | 1 |
| #2 | ESTES EXPRESS LINES | 121018 | 1 |
| #3 | EARTH SMART ENVIRONMENTAL SOLUTIONS LLC | 2130223 | 1 |
| #4 | ALPHA LOGISTICS INC | 1086423 | 1 |
| #5 | CENTRAL TRANSPORT LLC | 661173 | 1 |
Recent Inspections
Latest inspections where 172.332C was cited • 5 total events