TruckCodex

392.9AA1 — 392.9AA1

FMCSA violation code under Unsafe Driving. 8,436 events recorded in roadside inspections. Severity weight: N/A.

Severity Weight
N/A
OOS Eligible
No
BASIC Category
Unsafe Driving
Total Events
8,436
Code
392.9AA1
Code System
FMCSR
BASIC Category
Unsafe Driving
OOS Eligible
No
Severity Weight
N/A
Violation Group
—
Total Events
8,436
Carriers Cited
6,447

About This Violation Code

Code 392.9AA1 falls under the Unsafe Driving BASIC category in FMCSA's Safety Measurement System (SMS).

When this violation is cited during a roadside inspection, it contributes to the carrier's Unsafe Driving 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 392.9AA1 in the Federal Motor Carrier Safety Regulations.

View on eCFR.gov →FMCSA Violations Search →
Events (all time)
8,436
OOS Events
8,004
OOS Rate
94.9%
Top State (180d)
Texas
732 events

Top Enforcing States

Where 392.9AA1 is most commonly cited (last 180 days)

1.Texas
732
OOS 92.5%
2.US
168
OOS 100.0%
3.Pennsylvania
148
OOS 98.6%
4.California
126
OOS 82.5%
5.North Carolina
100
OOS 99.0%
6.Arizona
98
OOS 100.0%
7.Georgia
78
OOS 100.0%
8.New York
76
OOS 100.0%
9.Kentucky
67
OOS 91.0%
10.Massachusetts
64
OOS 100.0%
11.Florida
61
OOS 100.0%
12.Kansas
60
OOS 98.3%
13.Nevada
59
OOS 100.0%
14.New Mexico
55
OOS 100.0%
15.Ohio
53
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 392.9AA1 citations. Red bars mark months with OOS-triggering citations.

261
Apr
458
May
421
Jun
551
Jul
478
Aug
577
Sep
548
Oct
401
Nov
445
Dec
497
Jan
604
Feb
647
Mar
26
Apr

Most Active Stations

Inspection stations citing 392.9AA1 most often (last 180 days)

1.PHARR POE
109
OOS 96.3%
2.CAMINO REAL POE
53
OOS 100.0%
3.PHARR TX
46
OOS 100.0%
4.INDIOS POE
38
OOS 97.4%
5.PROGRESO TX
38
OOS 100.0%
6.NJ
34
OOS 97.1%
7.BROWNSVILLE TX
30
OOS 100.0%
8.EAGLE PASS TX
16
OOS 100.0%
9.KINGMAN AZ
15
OOS 100.0%
10.SIDEWINDER PLATFORM SCALE
15
OOS 86.7%

Often Cited Together

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

396.17C-PI290 co-occurrences393.9230 co-occurrences392.2-SLLUCR221 co-occurrences392.2RG206 co-occurrences392.2-SLLSR199 co-occurrences395.8A1-HOSP189 co-occurrences391.41APC178 co-occurrences396.17C172 co-occurrences390.21TB1-MC135 co-occurrences390.21TB2-DOT131 co-occurrences

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

Top Carriers Cited

Ranked by frequency • 6,447 carriers total • Page 1 of 258

Top Carriers with 392.9AA1 Violations

Showing 25 of 6,447

fmcsa-violations
Top Carriers with 392.9AA1 Violations
#CarrierUSDOT# Violations
#1TRANSPORTADORA NORTE DE CHIHUAHUA S A DE C V71112575
#2ASV XPRESS LLC438930122
#3RICHROAD LLC441109416
#4ACE TRANS LLC416337814
#5SUPLICIUM TRANSPORT LLC438125514
#6HAULDEX LLC448935014
#7MARIANO PAEZ ROMERO286829714
#8TRANSPORTES RIOL SA DE CV419593313
#9JOSE SANTOS CUELLAR HERRERA441865712
#10ZONA TRANSPORTATION LLC230968312
#11LUIS BASILIO MENDOZA GOLLAS322005312
#12EASTERN BUS COMPANY INC89527311
#13TRANSPORTES CESEFE SA DE CV409361011
#14MIGUEL ANGEL VAZQUEZ MELENDEZ393445611
#15TORO TRUCK AND TRANSPORTATION LLC407532911
#16BRANDON SALAZAR SNOWBALL441081811
#17MUSER INTERNACIONAL SA DE CV414687410
#18HIGHWAY 99 TRUCKING441430510
#19MARCOS DE LOS REYES95844310
#20JULIO ADRIAN PEREZ BALLEZA373334010
#21KST LOGISTICS GROUP CORP334722310
#22MABESA ENERGETICOS SA DE CV369508410
#23TRANSPORT DIVISION LLC37633329
#24NATALIA ITZEL HERNANDEZ ESTUDILLO44101299
#25WINNERS TRANSPORTATION INC34818879

Recent Inspections

Latest inspections where 392.9AA1 was cited • 8,436 total events • Page 1 of 338

Recent Inspections with 392.9AA1

Showing 25 of 8,436

fmcsa-inspections
Recent Inspections with 392.9AA1
DateReport #StateLevelOOS
Apr 3, 202687485073KSLevel 2Yes
Apr 3, 202687485706MALevel 2Yes
Apr 2, 202687488244TXLevel 3Yes
Apr 2, 202687476717MALevel 2Yes
Apr 2, 202687484498ARLevel 3Yes
Apr 2, 202687484781VALevel 3Yes
Apr 2, 202687485887NCLevel 2Yes
Apr 2, 202687488065TXLevel 1Yes
Apr 1, 202687478933TXLevel 2Yes
Apr 1, 202687480041CALevel 3No
Apr 1, 202687481020CALevel 2Yes
Apr 1, 202687482319PALevel 2Yes
Apr 1, 202687482823TNLevel 1Yes
Apr 1, 202687483032AZLevel 3Yes
Apr 1, 202687483213AZLevel 2Yes
Apr 1, 202687487717TXLevel 2Yes
Apr 1, 202687486091NCLevel 3Yes
Apr 1, 202687460086NCLevel 3Yes
Apr 1, 202687454230CTLevel 2Yes
Apr 1, 202687475096OHLevel 2Yes
Apr 1, 202687476338IDLevel 1Yes
Apr 1, 202687485836NCLevel 1Yes
Apr 1, 202687476753MALevel 3Yes
Apr 1, 202687478099MILevel 2Yes
Apr 1, 202687478117MILevel 3Yes

Data sources & freshness

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

Related records

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