Thos Somerville Co Safety Record

DOT# 6789 · Upper Marlboro, MD 20774 · 3013909575

A

Excellent safety record — scored 12/100 (lower is better). This carrier has one of the best inspection records on file.

Last inspected 03/23/2026

Grade based on FMCSA inspection, crash, and violation data. See methodology →

Vehicle OOS Rate 0/30 pts
Driver OOS Rate 7/20 pts
Crash Rate 5/30 pts
Fatal Crash Penalty 0/20 pts

Lower scores are better. How is this calculated?

According to FMCSA records, Thos Somerville Co (DOT# 6789) in Upper Marlboro, Maryland has 123 inspections on record with 86 violations and a 6.5% vehicle out-of-service rate and 1 crash. Safety grade: A (excellent safety record).

123 Inspections
6.5% Vehicle OOS Rate
1 Crashes
77 Power Units

An out-of-service (OOS) violation means a vehicle or driver was found unsafe to operate during a roadside inspection and was prohibited from continuing until the issue was corrected.

Vehicle OOS Rate 6.5%
Carrier: 6.5% (8 of 123) National: 23.2%
Driver OOS Rate 4.1%
Carrier: 4.1% (5 of 123) National: 6.4%
72% OOS rate better than 72% of carriers in Maryland
21% crash rate better than 21% of carriers in Maryland

FMCSA groups violations into Behavioral Analysis and Safety Improvement Categories (BASICs). Each violation found during a roadside inspection is classified into a category that reflects the type of safety risk.

86 total violations across 123 inspections
13 violations resulted in out-of-service orders (15%)
Vehicle Maintenance
46
Unsafe Driving
26
Driver Fitness
8
Other
6

FMCSA inspections range from Level 1 (full vehicle and driver examination) to Level 6 (enhanced motorcoach inspection). Level 1 is the most thorough; Levels 2 and 3 are walk-around and driver-only checks.

Inspected across 8 states: DC, DE, MD, NJ, PA, US, VA, WV
Level 1: 37 (30%) Level 2: 66 (54%) Level 3: 20 (16%)
Date State Level Veh OOS Drv OOS
03/23/2026 MD 1 0 0
03/11/2026 MD 2 0 0
03/04/2026 MD 2 0 0
02/26/2026 WV 2 0 0
02/06/2026 MD 2 0 0
01/21/2026 MD 2 0 0
01/09/2026 NJ 2 0 0
01/09/2026 MD 2 0 0
01/08/2026 MD 2 0 0
01/07/2026 PA 3 0 0
1 injury crash
26-AUG-25 most recent crash on record
Date State Fatalities Injuries Tow-Aways
26-AUG-25 VA 0 2 0

Power units include trucks, tractors, and other commercial motor vehicles registered to the carrier. Driver count reflects the total number of drivers reported on the carrier's MCS-150 filing.

Power Units 77
Drivers 77
Fleet Size Mid-Size Fleet
Operation Type Interstate
Hazmat Yes
Operating Since 06/01/1974
MCS-150 Filed 20240716 0
Annual Mileage (MCS-150) 1,442,748
Address 16155 Trade Zone Avenue, Upper Marlboro, MD 20774