Carrier profile · USDOT 696383 · MC-322639 · Updated Jun 13, 2026

South Main Trucking Company

77 power unitsavg 4.6 yrRegional · 7 statesGREENSBURG, PA88/100
CARRIER ACTIVEMC-322639 ACTIVE
Verified linksscottelectricusa.comFMCSA SAFER

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 5.2%24-mo cumulative
050%nat'l 22.26%
Driver OOS 3.2%24-mo cumulative
030%nat'l 6.67%

Every inspection in the window pooled — 96 vehicle and 158 driver inspections over 24 months.

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

7.1% · latest 6-mo window● Steady

Share of vehicle-level roadside inspections in each trailing six-month window that resulted in a vehicle out-of-service order. Holding steady 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

153 inspections in the charted months · busiest month Oct '24 · 12

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
≈1.0 / unit·yr
thin signalabundant signal
Within the expected band for a 77-unit fleet — FMCSA has inspected this carrier often enough that the out-of-service and violation signals above are statistically trustworthy.
Registered power units
77
Inspections · 24 mo
158
Annualized
≈79 / yr
Coverage
≈1.0 inspections / unit · yr

BASIC categories· CSA SMS · Aug 2026

30%
Unsafe Driving
Vektor peer est.
Hours-of-Service
0violations
clean · per-BASIC
58%
Driver Fitness
Vektor peer est.
Controlled Substances
0violations
clean · per-BASIC
14%
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.

  • 393.9 Inoperative required lampsVehicle Maintenance20 · 4 OOS
  • 392.2 State/local traffic law violation (speeding, etc.)Unsafe Driving14 · 0 OOS
  • 392.16 Failure to use seat beltUnsafe Driving9 · 0 OOS
  • 396.3 Inspection / repair / maintenance not performedVehicle Maintenance3 · 2 OOS
  • 393.81 HornVehicle Maintenance2 · 0 OOS
  • 393.11 Required lamps/reflectors missingVehicle Maintenance2 · 0 OOS
  • 393.95 Emergency equipment (extinguisher, triangles)Vehicle Maintenance2 · 0 OOS
  • 393.203 Parts & accessories (vehicle condition)Vehicle Maintenance2 · 0 OOS
  • 391.41 No / expired medical certificateDriver Fitness2 · 2 OOS
  • 393.75 Tires (defective / underinflated / worn)Vehicle Maintenance2 · 1 OOS

ELD & hours-of-service

No hours-of-service or ELD violations on record across 255 inspections — a clean logging history.

Crash history· 32 total · 4 in 24 mo

32
Total crashes
4
In last 24 mo
5
Fatal
10
Injury
YearCrashesFatalInjuryTow
20262002
20251001
20241001
20222002
20212012
20201001
20192012
20181001
20173113
20161001
20151001
20142012
20131001
20122222
20102020
20092002
20081100
20071010
20041001
20031101
20021001
20001011
DateStateFatalitiesInjuriesTow-away
Jan 7, 2026PA00Yes
Jan 5, 2026PA00Yes
Jan 16, 2025OH00Yes
Nov 8, 2024PA00Yes
Nov 9, 2022PA00Yes
Sep 9, 2022PA00Yes
Oct 21, 2021OH00Yes
Oct 15, 2021PA02Yes
Jan 27, 2020PA00Yes
Nov 4, 2019NY01Yes
Jul 18, 2019PA00Yes
Jul 3, 2018PA00Yes
May 19, 2017PA00Yes
May 2, 2017PA10Yes
Apr 28, 2017PA02Yes
Jun 21, 2016PA00Yes
Feb 20, 2015PA00Yes
Aug 11, 2014PA04Yes
Mar 19, 2014PA00Yes
Sep 26, 2013PA00Yes
Aug 10, 2012PA15Yes
Aug 10, 2012PA15Yes
Oct 19, 2010WV01No
Mar 23, 2010PA01No
Nov 5, 2009PA00Yes