172.504(b) — Placarding - table 1 materials
FMCSA violation code under Hazardous Materials. 33 events recorded in roadside inspections. Severity weight: 8.
Violation Description
Failure to placard for Table 1 hazardous materials (high hazard) at any quantity.
About This Violation Code
Code 172.504(b) falls under the Hazardous Materials BASIC category in FMCSA's Safety Measurement System (SMS). It carries a severity weight of 8 (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 172.504 in the Federal Motor Carrier Safety Regulations.
Top Carriers Cited
Ranked by frequency • 28 carriers total • Page 1 of 2
Top Carriers with 172.504(b) Violations
Showing 25 of 28
| # | Carrier | USDOT | # Violations |
|---|---|---|---|
| #1 | CENTRAL TRANSPORT LLC | 661173 | 2 |
| #2 | SAIA MOTOR FREIGHT LINE LLC | 29124 | 2 |
| #3 | XPO LOGISTICS FREIGHT INC | 241829 | 2 |
| #4 | GREENWOOD MOTOR LINES INC | 63391 | 2 |
| #5 | OAP TRANSPORTATION LLC | 222024 | 2 |
| #6 | MAJESTIC TRUCK LINES LLC | 3178745 | 1 |
| #7 | MAQUILADORA DE LUBRICANTES S A DE C V | 4085487 | 1 |
| #8 | BASIN TRANSPORTATION LLC | 2559935 | 1 |
| #9 | RANGER ENVIRONMENTAL SERVICES LLC | 1375271 | 1 |
| #10 | PENSKE LOGISTICS LLC | 268015 | 1 |
| #11 | TROJAN BATTERY SALES LLC | 868657 | 1 |
| #12 | TRISA COMERCIAL SA DE C V | 910439 | 1 |
| #13 | CARDINAL LOGISTICS MANAGEMENT CORPORATION | 191496 | 1 |
| #14 | ANYTIME HOT SHOT & DELIVERY LLC | 1173948 | 1 |
| #15 | AMERICAN UNITED CARRIER INC | 2157624 | 1 |
| #16 | AUTOZONE TEXAS LLC | 288323 | 1 |
| #17 | MARKUSY TRANSPORT LLC | 2569613 | 1 |
| #18 | AMERICAN PROMOTIONAL EVENTS INC--EAST | 121384 | 1 |
| #19 | CAL-RITE SERVICES INC | 2626736 | 1 |
| #20 | WERNER ENTERPRISES INC | 53467 | 1 |
| #21 | DAYTON FREIGHT LINES INC | 273301 | 1 |
| #22 | TA DEDICATED INC | 183949 | 1 |
| #23 | PENINSULA TRUCK LINES INC | 8329 | 1 |
| #24 | ELITE FUELS TRANSPORTATION INC | 1890625 | 1 |
| #25 | CARLTON POOLS INC | 573599 | 1 |
Recent Inspections
Latest inspections where 172.504(b) was cited • 33 total events • Page 1 of 2
Recent Inspections with 172.504(b)
Showing 25 of 33
| Date | Report # | State | Level | OOS |
|---|---|---|---|---|
| Aug 5, 2024 | 82582299 | MN | Level 1 | No |
| Jul 24, 2024 | 82196118 | CT | Level 2 | No |
| Jul 23, 2024 | 82231396 | IL | Level 1 | Yes |
| Jul 11, 2024 | 82091573 | WA | Level 2 | No |
| Jul 4, 2024 | 82040238 | AZ | Level 1 | No |
| Jun 27, 2024 | 81987997 | CA | Level 1 | No |
| May 29, 2024 | 81746560 | NJ | Level 2 | No |
| May 16, 2024 | 81630130 | IA | Level 1 | No |
| May 14, 2024 | 81616670 | IA | Level 1 | No |
| Apr 18, 2024 | 81427536 | FL | Level 2 | No |
| Apr 17, 2024 | 81386942 | MI | Level 2 | No |
| Apr 16, 2024 | 81376002 | SC | Level 1 | No |
| Apr 3, 2024 | 81293994 | NY | Level 2 | No |
| Apr 2, 2024 | 81246715 | US | Level 1 | No |
| Mar 27, 2024 | 81297108 | TX | Level 2 | No |
| Mar 14, 2024 | 81116087 | LA | Level 1 | Yes |
| Feb 27, 2024 | 80963771 | TX | Level 2 | No |
| Jan 31, 2024 | 80740985 | NJ | Level 2 | No |
| Jan 3, 2024 | 80522552 | MA | Level 1 | No |
| Dec 27, 2023 | 80488215 | MS | Level 2 | Yes |
| Dec 4, 2023 | 80311862 | TN | Level 1 | No |
| Nov 21, 2023 | 80212628 | ID | Level 2 | No |
| Nov 7, 2023 | 80106072 | SC | Level 2 | No |
| Oct 18, 2023 | 79968582 | WA | Level 2 | No |
| Oct 12, 2023 | 79932566 | OK | Level 2 | No |