TruckCodex

172.334 — Prohibited ID number marking

FMCSA violation code under Hazardous Materials. 231 events recorded in roadside inspections. Severity weight: N/A.

Severity Weight
N/A
OOS Eligible
No
BASIC Category
Hazardous Materials
Total Events
231
Code
172.334
Code System
FMCSR
BASIC Category
Hazardous Materials
OOS Eligible
No
Severity Weight
N/A
Violation Group
—
Total Events
231
Carriers Cited
194

Violation Description

Prohibited ID number marking

About This Violation Code

Code 172.334 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 172.334 in the Federal Motor Carrier Safety Regulations.

View on eCFR.gov →FMCSA Violations Search →
Events (all time)
231
OOS Events
103
OOS Rate
44.6%
Top State (180d)
Texas
17 events

Top Enforcing States

Where 172.334 is most commonly cited (last 180 days)

1.Texas
17
OOS 35.3%
2.Iowa
1
OOS 100.0%
3.New Mexico
1
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 172.334 citations. Red bars mark months with OOS-triggering citations.

1
Apr
7
May
1
Jun
6
Jul
7
Aug
7
Sep
2
Oct
3
Nov
7
Dec
2
Jan
1
Feb
4
Mar

Most Active Stations

Inspection stations citing 172.334 most often (last 180 days)

1.TX302 MENTONE SCALE
2
OOS 50.0%
2.ANTHONY PORT OF ENTRY
1
OOS 0.0%
3.1000 SW MUSTANG DR
1
OOS 0.0%
4.1200 BLK SW MUSTANG
1
OOS 100.0%
5.1500 N MAYHILL RD
1
OOS 0.0%
6.346M US385 NB
1
OOS 0.0%
7.FM-1788 IN MIDLAND CO. (316-34
1
OOS 0.0%
8.IH-0020 IN MIDLAND CO. (123-14
1
OOS 0.0%
9.IH20 EB SVC RD
1
OOS 100.0%
10.SH-0191 IN MIDLAND CO. (269-27
1
OOS 0.0%

Often Cited Together

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

393.92 co-occurrences172.504A2 co-occurrences172.502A12 co-occurrences180.340-61 co-occurrences392.2RG1 co-occurrences392.2W1 co-occurrences393.111 co-occurrences393.11TL1 co-occurrences393.45DLUV1 co-occurrences393.55D11 co-occurrences

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

Top Carriers Cited

Ranked by frequency • 194 carriers total • Page 1 of 8

Top Carriers with 172.334 Violations

Showing 25 of 194

fmcsa-violations
Top Carriers with 172.334 Violations
#CarrierUSDOT# Violations
#1QUALITY TANK SA DE CV28646005
#2PETTY BUTANE PETTY SERVICE STATION21480684
#3PRZ LLC33848863
#4JESUS ROHANA AGUILAR7424283
#55J OILFIELD TRUCKING LLC42219573
#6MAX CARGO LLC30551223
#7LSDI LP4493103
#8E F CORPORATION1136932
#9SUMMIT TRUCKING INC8435462
#10ACORD TRANSPORTATION INC2011532
#11STATE WIDE TRANS INC25246612
#12QW TRANSPORT LLC15663712
#13REYNOLDS ENERGY TRANSPORT LLC21670662
#14G&G TRANSPORT LOGISTICS CORP16182812
#15MOFFITT HOLDINGS LLC25910662
#16MAXFLOW CHEMICALS OF TEXAS LLC23698762
#17TWIN CARRIER LLC35187352
#18BLACK LIQUID CARRIERS LLC35300092
#19XPO LOGISTICS FREIGHT INC2418292
#20TRIPLE PLAY TRANSPORT LLC23037542
#21WINDSTAR TRUCKING LLC21262722
#22VALENCE OILFIELD LOGISTICS LLC31783072
#23MASTER TRUCK AND TRAILER LLC19934272
#24TRANSPORTES REFRIGERADOS GC XPRESS SA DE CV25638032
#25GSF DIVISION TRANSPORTE S DE RL DE CV35119212

Recent Inspections

Latest inspections where 172.334 was cited • 231 total events • Page 1 of 10

Recent Inspections with 172.334

Showing 25 of 231

fmcsa-inspections
Recent Inspections with 172.334
DateReport #StateLevelOOS
Mar 29, 202687468024TXLevel 2No
Mar 17, 202687344634TXLevel 2Yes
Mar 3, 202687262924TXLevel 1Yes
Mar 2, 202687205662TXLevel 2No
Feb 11, 202687065993TXLevel 2No
Jan 31, 202686979873TXLevel 2Yes
Jan 15, 202686877293TXLevel 2No
Dec 29, 202586676588IALevel 2Yes
Dec 23, 202586665585TXLevel 2No
Dec 22, 202586641265NMLevel 2No
Dec 20, 202586667645TXLevel 2No
Dec 18, 202586617817TXLevel 2Yes
Dec 18, 202586632695TXLevel 2No
Dec 3, 202586553852TXLevel 2No
Nov 7, 202586299794TXLevel 2No
Nov 6, 202586284505TXLevel 1Yes
Nov 4, 202586266888TXLevel 2Yes
Oct 31, 202586236454TXLevel 2No
Oct 27, 202586208366TXLevel 1No
Sep 29, 202585953032TXLevel 2Yes
Sep 25, 202585892432TXLevel 2Yes
Sep 18, 202585857654TXLevel 2No
Sep 9, 202585749374TXLevel 2No
Sep 8, 202585827712TXLevel 2Yes
Sep 5, 202585738735TXLevel 2Yes

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
ToolSearch Carriers
Look up carriers by USDOT, name, or VIN