TruckCodex

172.304A2 — Hazmat marking not durable

FMCSA violation code under Hazardous Materials. 57 events recorded in roadside inspections. Severity weight: 3.

Severity Weight
3
OOS Eligible
No
BASIC Category
Hazardous Materials
Total Events
57
Code
172.304A2
Code System
FMCSR
BASIC Category
Hazardous Materials
OOS Eligible
No
Severity Weight
3
Violation Group
—
Total Events
57
Carriers Cited
55

Violation Description

Hazardous materials markings are not durable, in English, or printed on/affixed to the surface or on a label/tag.

About This Violation Code

Code 172.304A2 falls under the Hazardous Materials BASIC category in FMCSA's Safety Measurement System (SMS). It carries a severity weight of 3 (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 172.304A2 in the Federal Motor Carrier Safety Regulations.

View on eCFR.gov →FMCSA Violations Search →
Events (all time)
57
OOS Events
0
OOS Rate
0.0%
Top State (180d)
Texas
13 events

Top Enforcing States

Where 172.304A2 is most commonly cited (last 180 days)

1.Texas
13
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 172.304A2 citations. Red bars mark months with OOS-triggering citations.

1
Apr
3
May
2
Jun
6
Jul
2
Aug
6
Sep
2
Oct
5
Nov
3
Dec
2
Jan
2
Mar

Most Active Stations

Inspection stations citing 172.304A2 most often (last 180 days)

1.TX288 AT CR101
2
OOS 0.0%
2.IH-0069 IN FORT BEND CO. (95-1
1
OOS 0.0%
3.IH-0635 IN DALLAS CO. (0-35)
1
OOS 0.0%
4.IH-35 SB
1
OOS 0.0%
5.N/B IH-35 SERVICE RD
1
OOS 0.0%
6.TOLL 130 NB
1
OOS 0.0%
7.FM-0075 IN COLLIN CO. (234-238
1
OOS 0.0%
8.US 83 MP 888
1
OOS 0.0%

Often Cited Together

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

393.207A2 co-occurrences393.203C1 co-occurrences393.205A1 co-occurrences393.205C1 co-occurrences393.47E1 co-occurrences393.53B1 co-occurrences393.110B1 co-occurrences396.5B1 co-occurrences

Citation patterns suggest related root causes (e.g., HOS violations paired with logbook errors).

Top Carriers Cited

Ranked by frequency • 55 carriers total • Page 1 of 3

Top Carriers with 172.304A2 Violations

Showing 25 of 55

fmcsa-violations
Top Carriers with 172.304A2 Violations
#CarrierUSDOT# Violations
#1EITHER WAY TRANSPORT LLC37575132
#2PUNTO BLANCO TRUCKING LLC40520922
#3CAMPBELL OIL CO INC6915391
#4DOUBLE A FUEL LLC35580261
#5ALLIED WASTE SYSTEMS INC2379971
#6TGR ERECTORS LLC40771621
#7ESTEBAN LARA OROZCO20464561
#8SUPERIOR 3 CONSTRUCTION INC32556871
#9MAYNE EVENT TRUCKING LLC42829041
#10JOSE GUADALUPE MENDEZ19619591
#11ROSDEL LOGISTIC SA DE CV41155071
#12IRMA LINDA PERALEZ22071581
#13YASAR TEMIZ23545051
#14MAG METALS TRANSPORT LLC23124631
#15NATIONAL DRAYAGE SERVICES DE LLC17470931
#16J TRANSPORTS LLC23160191
#17SUPERIOR TRANSPORTATION INC34791431
#18LIONHART TRANSPORTATION LLC22073611
#19JB TEXAS TRUCKING LLC21572961
#20D & R AMERICAN TRUCKING LLC35037531
#21JCY EXPRESS LLC40776231
#22PELON'S TRUCKING LLC19424761
#23MIRLAU TRUCKING LLC36405261
#24TEXAS CHROME TRANSPORT INC22032041
#25GUERRA 23 TRUCKING LLC28443141

Recent Inspections

Latest inspections where 172.304A2 was cited • 57 total events • Page 1 of 3

Recent Inspections with 172.304A2

Showing 25 of 57

fmcsa-inspections
Recent Inspections with 172.304A2
DateReport #StateLevelOOS
Mar 23, 202687467333TXLevel 1No
Mar 10, 202687275716TXLevel 2No
Jan 15, 202686842363TXLevel 2No
Jan 12, 202686807922TXLevel 2No
Dec 27, 202586709462TXLevel 2No
Dec 5, 202586520189TXLevel 2No
Dec 2, 202586480974TXLevel 2No
Nov 26, 202586445654TXLevel 2No
Nov 14, 202586363943TXLevel 2No
Nov 13, 202586342562TXLevel 2No
Nov 12, 202586363940TXLevel 2No
Nov 6, 202586617039TXLevel 2No
Oct 28, 202586225714TXLevel 2No
Oct 9, 202586299647TXLevel 1No
Sep 30, 202585972056TXLevel 1No
Sep 26, 202585919577TXLevel 1No
Sep 25, 202586224060TXLevel 2No
Sep 12, 202585781032TXLevel 2No
Sep 10, 202585781982TXLevel 1No
Sep 4, 202585695313TXLevel 2No
Aug 29, 202585658135TXLevel 2No
Aug 15, 202585522304TXLevel 2No
Jul 22, 202585295008NCLevel 1No
Jul 21, 202585287219PALevel 1No
Jul 18, 202585267342ILLevel 3No

Data sources & freshness

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

Related records

CategoryAll Hazardous Materials Violations
Browse all violation codes in the Hazardous Materials BASIC
IndexAll Violation Codes
FMCSR violation codes by BASIC category
ReferenceFMCSA Roadside Inspections
Inspection levels and procedures
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