172.336(b) — ID Numbers not properly displayed other than on placards

FMCSA violation code under Hazardous Materials. 16 events recorded in roadside inspections. Severity weight: N/A.

Severity Weight
N/A
OOS Eligible
No
BASIC Category
Hazardous Materials
Total Events
16
Code
172.336(b)
Code System
FMCSR
BASIC Category
OOS Eligible
No
Severity Weight
N/A
Violation Group
Total Events
16
Carriers Cited
16

Violation Description

ID Numbers not properly displayed other than on placards

About This Violation Code

Code 172.336(b) falls under the Hazardous Materials BASIC category in FMCSA's Safety Measurement System (SMS).

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 172.336 in the Federal Motor Carrier Safety Regulations.

Events (all time)
16
OOS Events
5
OOS Rate
31.3%
Top State (180d)

Top Carriers Cited

Ranked by frequency • 16 carriers total

Top Carriers with 172.336(b) Violations

fmcsa-violations

Recent Inspections

Latest inspections where 172.336(b) was cited • 16 total events

Recent Inspections with 172.336(b)

fmcsa-inspections
Recent Inspections with 172.336(b)
DateReport #StateLevelOOS
Oct 7, 202482868841ILLevel 3No
Sep 12, 202482669991ILLevel 3No
Aug 14, 202482439758COLevel 1No
Aug 5, 202482315540ILLevel 2No
Jun 11, 202481856819TXLevel 2No
Feb 26, 202480964492TXLevel 1No
Feb 16, 202480895379TXLevel 3Yes
Feb 1, 202480770420TXLevel 1No
Jan 5, 202480570892TXLevel 2No
Dec 7, 202380344901ILLevel 2No
Nov 27, 202380258119TXLevel 2Yes
Oct 31, 202380074691TXLevel 2No
Jun 12, 202378861979OKLevel 2No
May 31, 202378789805WILevel 2Yes
May 23, 202379910236TXLevel 3Yes
Apr 9, 202378306500ILLevel 1Yes

Data sources & freshness

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