Carrier profile · USDOT 826136 · Updated Jun 13, 2026

Superior Walls Systems LLC

DBA SUPERIOR WALLS OF NORTH CAROLINA

11 power unitsavg 13.8 yrLocal · 1 statesSALISBURY, NC81/100
AUTHORITY STATUS UNKNOWN

Safety

Roadside out-of-service rates versus the national benchmark, inspection and crash trends, decoded violation themes, and ELD / hours-of-service integrity — the full safety picture behind the verdict.

Out-of-service rate· 24-mo cumulative · vs national

Vehicle OOS 33.3%24-mo cumulative
050%nat'l 22.26%
Driver OOS 2.9%24-mo cumulative
030%nat'l 6.67%

Every inspection in the window pooled — 12 vehicle and 34 driver inspections over 24 months.

Vehicle OOS rate· vehicle OOS · vehicle-level inspections · 6-month trailing

33.3% · latest 6-mo window▼ Falling

Share of vehicle-level roadside inspections in each trailing six-month window that resulted in a vehicle out-of-service order. Trending down 25.6 pts across the window. The national vehicle benchmark uses the same metric and is shown on the chart.

Roadside inspection history· 24 charted calendar months · vehicle / driver level · any-OOS overlay

33 inspections in the charted months · busiest month Jul '25 · 8

Vehicle-levelDriver-levelAny OOS

Monthly FMCSA roadside inspections across the 24 charted calendar months. Bars show level-qualified vehicle and driver populations; one inspection can qualify for both. The line shows inspections with any out-of-service result.

Inspection coverage· expected vs observed · the fraud signal

Inspection coverage

How heavily FMCSA inspects this fleet for its size — it tells you how much to trust the safety signals above. Thin coverage on a young authority is a fraud signal nobody else surfaces.

Well-monitored
Under-inspected
Expected
Well-monitored
Heavily inspected
1.5 / unit·yr
thin signalabundant signal
Within the expected band for a 11-unit fleet — FMCSA has inspected this carrier often enough that the out-of-service and violation signals above are statistically trustworthy.
Registered power units
11
Inspections · 24 mo
34
Annualized
17 / yr
Coverage
1.5 inspections / unit · yr

BASIC categories· CSA SMS · Aug 2026

27%
Unsafe Driving
Vektor peer est.
Hours-of-Service
0violations
clean · per-BASIC
45%
Driver Fitness
Vektor peer est.
Controlled Substances
0violations
clean · per-BASIC
46%
Vehicle Maintenance
Vektor peer est.

Percentile = standing among same-exposure peers (higher = worse). FMCSA publishes percentiles for only some carriers (shown official); elsewhere we show a Vektor peer-percentile estimate, or the absolute SMS measure when there are too few inspections to rank.

Violation themes· decoded · grouped by BASIC

What this carrier actually gets cited for — FMCSA violation codes decoded into plain English, ranked by frequency.

  • 393.75 Tires (defective / underinflated / worn)Vehicle Maintenance7 · 7 OOS
  • 392.2 State/local traffic law violation (speeding, etc.)Unsafe Driving5 · 0 OOS
  • 393.9 Inoperative required lampsVehicle Maintenance3 · 1 OOS
  • 396.17 Periodic (annual) inspectionVehicle Maintenance2 · 0 OOS
  • 393.104 Cargo securement — tiedownsVehicle Maintenance1 · 0 OOS
  • 393.11 Required lamps/reflectors missingVehicle Maintenance1 · 0 OOS
  • 393.30 Parts & accessories (vehicle condition)Vehicle Maintenance1 · 0 OOS
  • 393.60 Windshield / glazingVehicle Maintenance1 · 0 OOS
  • 396.3 Inspection / repair / maintenance not performedVehicle Maintenance1 · 0 OOS
  • 383.23 Operating without a valid CDLDriver Fitness1 · 1 OOS

ELD & hours-of-service

No hours-of-service or ELD violations on record across 75 inspections — a clean logging history.

Crash history· 12 total · 3 in 24 mo

12
Total crashes
3
In last 24 mo
1
Fatal
5
Injury
YearCrashesFatalInjuryTow
20262112
20251001
20231011
20191001
20181001
20171001
20121011
20101001
20071001
20041011
20011011
DateStateFatalitiesInjuriesTow-away
Jul 14, 2026NC11Yes
Apr 14, 2026NC00Yes
Jul 29, 2025NC00Yes
Aug 7, 2023NC03Yes
Apr 24, 2019SC00Yes
Oct 19, 2018NC00Yes
Jun 19, 2017NC00Yes
Aug 2, 2012NC01Yes
Jun 15, 2010NC00Yes
Jun 8, 2007NC00Yes
Oct 14, 2004NC01Yes
Nov 14, 2001NC02Yes