W B Mason Co INC Safety Record
DOT# 348981 · Brockton, MA 02301 · 6175107830
Excellent safety record — scored 15/100 (lower is better). This carrier has one of the best inspection records on file.
Last inspected 03/23/2026
Safety Score Breakdown · 15/100 points
Lower scores are better. How is this calculated?
According to FMCSA records, W B Mason Co INC (DOT# 348981) in Brockton, Massachusetts has 715 inspections on record with 479 violations and a 6.9% vehicle out-of-service rate and 23 crashes, including 1 fatal. Safety grade: A (excellent safety record).
Out-of-Service Rates vs. National Average
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.
Violation Categories · 479 total violations
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.
Inspection History · 100 records
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.
| Date | State | Veh OOS | Drv OOS |
|---|---|---|---|
| 03/23/2026 | FL | 0 | 0 |
| 03/19/2026 | NJ | 1 | 0 |
| 03/18/2026 | ME | 0 | 0 |
| 03/17/2026 | NY | 0 | 0 |
| 03/16/2026 | CT | 0 | 0 |
| 03/12/2026 | PA | 0 | 0 |
| 03/11/2026 | NJ | 0 | 0 |
| 03/10/2026 | NY | 0 | 0 |
| 03/10/2026 | NY | 0 | 0 |
| 03/09/2026 | NY | 0 | 0 |
Crash History · 23 records
| Date | State | Fatalities | Injuries | Tow-Aways |
|---|---|---|---|---|
| 31-JUL-24 | NJ | 0 | 0 | 0 |
| 30-MAY-24 | MA | 0 | 2 | 0 |
| 28-FEB-25 | NJ | 0 | 1 | 0 |
| 27-MAY-24 | MA | 0 | 0 | 0 |
| 27-FEB-25 | NY | 1 | 1 | 0 |
| 22-MAR-24 | CT | 0 | 0 | 0 |
| 21-MAY-24 | NH | 0 | 1 | 0 |
| 20-FEB-25 | PA | 0 | 1 | 0 |
| 19-FEB-25 | FL | 0 | 0 | 0 |
| 17-JAN-25 | CT | 0 | 0 | 0 |
Fleet Profile
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.