TruckCodex

393.134 — Cargo securement - large boulders

FMCSA violation code under Vehicle Maintenance. 4,888 events recorded in roadside inspections. Severity weight: 7. Out-of-service eligible.

OOS Eligible
Severity Weight
7
OOS Eligible
Yes
BASIC Category
Vehicle Maintenance
Total Events
4,888
Code
393.134
Code System
FMCSR
BASIC Category
Vehicle Maintenance
OOS Eligible
Yes
Severity Weight
7
Violation Group
BASIC 5
Total Events
4,888
Carriers Cited
2,414

Violation Description

Aggregate large boulders not secured per specific rules.

About This Violation Code

Code 393.134 falls under the Vehicle Maintenance BASIC category in FMCSA's Safety Measurement System (SMS). It carries a severity weight of 7 (scale 1-10, higher = more severe). This violation is Out-of-Service eligible, meaning the driver or vehicle may be placed out of service at roadside when cited.

When this violation is cited during a roadside inspection, it contributes to the carrier's Vehicle Maintenance 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 393.134 in the Federal Motor Carrier Safety Regulations.

View on eCFR.gov →FMCSA Violations Search →
Events (all time)
4,888
OOS Events
4,734
OOS Rate
96.8%
Top State (180d)
Texas
293 events

Top Enforcing States

Where 393.134 is most commonly cited (last 180 days)

1.Texas
293
OOS 95.2%
2.North Carolina
50
OOS 96.0%
3.Illinois
19
OOS 100.0%
4.Iowa
2
OOS 100.0%

Click a state to see roadside inspection activity, top stations, and carrier profiles in that jurisdiction.

Citation Trend (12 months)

Monthly count of 393.134 citations. Red bars mark months with OOS-triggering citations.

28
Apr
64
May
73
Jun
102
Jul
77
Aug
59
Sep
89
Oct
71
Nov
61
Dec
60
Jan
64
Feb
67
Mar
2
Apr

Most Active Stations

Inspection stations citing 393.134 most often (last 180 days)

1.IH35 SB SAN MARCOS SCALE
9
OOS 100.0%
2.IH-0030 IN DALLAS CO. (32-64)
8
OOS 100.0%
3.TW-PGBT IN DALLAS CO. (895-165
7
OOS 100.0%
4.IH-0030 IN TARRANT CO. (2-31)
6
OOS 100.0%
5.TX288 NB ANGLETON SCALE
5
OOS 100.0%
6.SL-1604 IN BEXAR CO. (488-582)
5
OOS 100.0%
7.FM-1788 IN MIDLAND CO. (316-34
5
OOS 100.0%
8.IH-0635 IN DALLAS CO. (0-35)
5
OOS 100.0%
9.TW-0130 IN TRAVIS CO. (426-461
5
OOS 80.0%
10.US-0290 IN HARRIS CO. (706-738
4
OOS 100.0%

Often Cited Together

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

393.950 co-occurrences392.2RG41 co-occurrences396.17C20 co-occurrences393.47E17 co-occurrences393.9TS16 co-occurrences393.75A3-TAOL16 co-occurrences393.7816 co-occurrences393.9H14 co-occurrences396.5B14 co-occurrences393.53B13 co-occurrences

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

Top Carriers Cited

Ranked by frequency • 2,414 carriers total • Page 1 of 97

Top Carriers with 393.134 Violations

Showing 25 of 2,414

fmcsa-violations
Top Carriers with 393.134 Violations
#CarrierUSDOT# Violations
#1WASTE MANAGEMENT OF TEXAS INC38608398
#2BFI WASTE SERVICES LLC96208969
#3WASTE CONNECTIONS LONE STAR INC84018358
#4ALLIED WASTE SYSTEMS INC23799753
#5BFI WASTE SERVICES OF TEXAS LP96208540
#6TEXAS DISPOSAL SYSTEMS INC194045035
#7WASTE INDUSTRIES USA19869634
#8REPUBLIC WASTE SERVICES OF TEXAS LTD77240729
#9CITY WASTE LP98524528
#10ALLIED SERVICES LLC73123225
#11REPUBLIC SERVICES OF KENTUCKY LLC42064625
#12WASTE MANAGEMENT OF MICHIGAN INC48698319
#13WASTE MANAGEMENT OF PENNSYLVANIA INC34405018
#14WASTE MANAGEMENT OF CAROLINAS INC33445116
#15SA RECYCLING TRANSPORT LLC72950616
#16FRONTIER EQUIPMENTCO LLC427256616
#17MULHOLLAND ENERGY SERVICES LLC244417216
#18WASTE CONNECTIONS OF TEXAS LLC194421015
#19RUMPKE TRANSPORTATION COMPANY LLC33091214
#20CENTRAL TEXAS REFUSE LLC341593113
#21SANITATION SOLUTIONS INC139530913
#22AQUA ZYME DISPOSAL SYSTEMS INC197144613
#23PRIORITY WASTE LLC309751912
#24TAS ENVIRONMENTAL SERVICES LP129085412
#25ID SAT LLC362044412

Recent Inspections

Latest inspections where 393.134 was cited • 4,888 total events • Page 1 of 196

Recent Inspections with 393.134

Showing 25 of 4,888

fmcsa-inspections
Recent Inspections with 393.134
DateReport #StateLevelOOS
Apr 2, 202687486761ILLevel 1Yes
Apr 1, 202687488319TXLevel 2Yes
Mar 31, 202687478988TXLevel 2Yes
Mar 30, 202687479820TXLevel 2Yes
Mar 30, 202687478758TXLevel 2Yes
Mar 27, 202687466366TXLevel 2Yes
Mar 27, 202687479446TXLevel 2Yes
Mar 27, 202687468945TXLevel 2Yes
Mar 26, 202687420988ILLevel 1Yes
Mar 26, 202687442671TXLevel 1Yes
Mar 26, 202687440836TXLevel 2Yes
Mar 25, 202687422946TXLevel 2Yes
Mar 25, 202687406979NCLevel 2Yes
Mar 25, 202687424000TXLevel 2Yes
Mar 24, 202687440679TXLevel 1Yes
Mar 24, 202687440677TXLevel 1Yes
Mar 24, 202687398244TXLevel 2Yes
Mar 24, 202687395445NCLevel 2Yes
Mar 24, 202687467337TXLevel 2Yes
Mar 23, 202687383757NCLevel 2Yes
Mar 23, 202687383677NCLevel 2Yes
Mar 20, 202687397086TXLevel 2Yes
Mar 20, 202687343130NCLevel 2Yes
Mar 20, 202687396755TXLevel 2Yes
Mar 19, 202687385383TXLevel 2Yes

Data sources & freshness

FMCSA Vehicle Inspections and Violations
Updated 3 months ago
Federal Motor Carrier Safety Regulations (49 CFR)
Unknown freshness

Related records

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