Carrier profile · USDOT 6789 · Updated Jun 13, 2026

THOS SOMERVILLE CO

77 power unitsavg 2.8 yrMulti-region · 8 statesUPPER MARLBORO, MD88/100
AUTHORITY STATUS UNKNOWNRATED SATISFACTORYHAZMAT

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 7.0%24-mo cumulative
050%nat'l 22.26%
Driver OOS 2.2%24-mo cumulative
030%nat'l 6.67%

Every inspection in the window pooled — 71 vehicle and 90 driver inspections over 24 months.

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

8.3% · latest 6-mo window▲ Rising

Share of vehicle-level roadside inspections in each trailing six-month window that resulted in a vehicle out-of-service order. Trending up 2.2 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

89 inspections in the charted months · busiest month Dec '24 · 10

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.

Expected band
Under-inspected
Expected
Well-monitored
Heavily inspected
0.6 / unit·yr
thin signalabundant signal
Roadside-inspection volume is about what you'd expect for a 77-unit fleet — enough signal to read the safety record, though not a heavy sample.
Registered power units
77
Inspections · 24 mo
90
Annualized
45 / yr
Coverage
0.6 inspections / unit · yr

BASIC categories· CSA SMS · Aug 2026

43%
Unsafe Driving
Vektor peer est.
Hours-of-Service
0violations
clean · per-BASIC
44%
Driver Fitness
Vektor peer est.
Controlled Substances
0violations
clean · per-BASIC
12%
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.

  • 392.2 State/local traffic law violation (speeding, etc.)Unsafe Driving21 · 0 OOS
  • 393.9 Inoperative required lampsVehicle Maintenance19 · 3 OOS
  • 391.41 No / expired medical certificateDriver Fitness7 · 3 OOS
  • 390.21 USDOT number marking on vehicleUnsafe Driving6 · 0 OOS
  • 396.3 Inspection / repair / maintenance not performedVehicle Maintenance3 · 3 OOS
  • 392.82 Using a hand-held mobile phoneUnsafe Driving3 · 0 OOS
  • 392.16 Failure to use seat beltUnsafe Driving3 · 0 OOS
  • 396.17 Periodic (annual) inspectionVehicle Maintenance3 · 0 OOS
  • 393.47 Brake actuators / linings / componentsVehicle Maintenance3 · 0 OOS
  • 393.95 Emergency equipment (extinguisher, triangles)Vehicle Maintenance3 · 0 OOS

ELD & hours-of-service

No hours-of-service or ELD violations on record across 126 inspections — a clean logging history.

Crash history· 31 total · 1 in 24 mo

31
Total crashes
1
In last 24 mo
1
Fatal
16
Injury
YearCrashesFatalInjuryTow
20251011
20224024
20213003
20191001
20171011
20162112
20143023
20131001
20121010
20113023
20071010
20041011
20031011
20011001
20002011
19972002
19962012
19951011
DateStateFatalitiesInjuriesTow-away
Aug 26, 2025VA02Yes
Nov 1, 2022PA02Yes
Oct 17, 2022MD00Yes
Aug 30, 2022MD00Yes
May 18, 2022MD01Yes
May 20, 2021PA00Yes
Feb 11, 2021MD00Yes
Feb 11, 2021MD00Yes
Jan 23, 2019DE00Yes
Oct 12, 2017DE01Yes
Oct 7, 2016PA22Yes
Feb 8, 2016VA00Yes
Dec 26, 2014VA01Yes
Aug 28, 2014PA00Yes
Jan 29, 2014MD01Yes
Apr 15, 2013VA00Yes
Jan 18, 2012PA01No
Nov 29, 2011MD01Yes
Jul 8, 2011MD00Yes
Mar 7, 2011VA03Yes
May 29, 2007DC02No
May 19, 2004MD01Yes
Feb 24, 2003WV02Yes
Nov 13, 2001PA00Yes
Aug 7, 2000MD01No