Is Thos Somerville Co Safe? DOT 6789 – Safety Rating, Crashes & Violations

Q: What is the safety rating of Thos Somerville Co?

Thos Somerville Co has a safety rating of "Satisfactory" as of February 25, 2008, based on the most recent FMCSA compliance review.

Q: How many inspections has Thos Somerville Co had?

Thos Somerville Co has recorded 88 total inspections, with 11 out-of-service orders.

This carrier is active with a Satisfactory safety rating.

Thos Somerville Co is a registered motor carrier with the FMCSA under USDOT number 6789. The company operates from Upper Marlboro, MD and maintains an active operating status with 77 power units and 77 drivers on record.

Safety Rating

FMCSA Safety Rating

✓ Satisfactory

Rated: February 25, 2008

Thos Somerville Co holds a "Satisfactory" safety rating from the Federal Motor Carrier Safety Administration (FMCSA). This rating indicates that the carrier has been found to comply with federal safety regulations based on the most recent compliance review conducted by FMCSA. View official FMCSA record →

Inspection Summary

All-time Inspections

All-time

Total

OOS

Driver OOS

Vehicle OOS

88 inspections reflects moderate road activity.

OOS Rate12.50%

The out-of-service (OOS) rate represents the percentage of inspections that resulted in the carrier being placed out of service. 12.5% — approaching the national vehicle OOS average of ~21%.

Crash History

Crash Records

All-time

Total

Fatal

Injuries

Tow-Away

1 crash recorded. Low count, but crash data should always be reviewed alongside inspection history.

BASICS Safety Scores

BASICS Scores

Higher = more risk · FMCSA Behavior Analysis and Safety Improvement Categories

1.9

Unsafe Driving

Measures violations related to speeding, reckless driving, and improper lane changes.

0.0

HOS Compliance

Tracks hours-of-service violations, including driving beyond legal limits without rest.

0.4

Driver Fitness

Reflects issues with driver qualifications, licenses, and medical certifications.

0.0

Controlled Substances

Captures drug and alcohol violations, including failed or refused tests.

1.3

Vehicle Maintenance

Reflects brake, tire, lighting, and other equipment-related inspection violations.

Scores above 65 (general freight) or 50 (passenger/hazmat) trigger an FMCSA Alert. Higher scores indicate more safety risk. National median is approximately 20–30 for active carriers.

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Carrier Insight

Thos Somerville Co is a medium-sized motor carrier operating in Maryland. With 88 total inspections on record, the carrier has an out-of-service rate of 12.5%, which is below the national average of approximately 21%. 1 crash has been reported. Review crash details alongside fleet size and inspection history before making hiring decisions.

A Satisfactory rating from the FMCSA indicates that Thos Somerville Co meets federal safety standards based on the most recent compliance review. This is the highest rating a carrier can receive.

The company operates 77 power units and employs 77 drivers. This is a mid-sized operation relative to the broader carrier market.

Frequently Asked Questions

What is USDOT Number 6789?

USDOT number 6789 is assigned to Thos Somerville Co, an active motor carrier registered with the FMCSA, based in Upper Marlboro, MD.

What is the safety rating of Thos Somerville Co?

Thos Somerville Co has a safety rating of Satisfactory as of February 25, 2008.

How many inspections has Thos Somerville Co had?

Thos Somerville Co has recorded 88 total inspections with 11 out-of-service orders, representing an OOS rate of 12.50%.

Where is Thos Somerville Co located?

Thos Somerville Co is headquartered at 16155 Trade Zone Avenue, Upper Marlboro, MD 20774.

What does "Not Rated" mean?

"Not Rated" means the FMCSA has not conducted a formal compliance review for this carrier. It does not indicate a safety problem — many active carriers operate without a formal rating.

Is zero crashes always a good sign?

Generally yes, but context matters. A carrier with zero crashes and very few inspections may simply have limited road exposure. Always review crash data alongside inspection volume and fleet size.

What is a normal OOS rate?

The national average vehicle out-of-service rate is approximately 21%. Driver OOS averages around 5%. Rates significantly above these thresholds may indicate recurring compliance issues.

How often is FMCSA data updated?

FMCSA publishes updated carrier data monthly. This page reflects the most recent available snapshot, updated on the date shown above.

Data sourced from the FMCSA Open Data Portal. Updated monthly. DOT# 6789 · Last updated: 2026-03-09. View official FMCSA record →

Thos Somerville Co (DOT# 6789) – FMCSA Carrier Profile