Stm Auto INC Safety Record
DOT# 3084301 · Ann Arbor, MI 48108 · 7349996962
Below-average safety record — scored 64/100. Elevated out-of-service rates or crash history.
Last inspected 02/18/2026
Safety Score Breakdown · 64/100 points
Lower scores are better. How is this calculated?
According to FMCSA records, Stm Auto INC (DOT# 3084301) in Ann Arbor, Michigan has 43 inspections on record with 120 violations and a 41.9% vehicle out-of-service rate and 3 crashes. Safety grade: D (below-average safety record). Active common authority.
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 · 120 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 · 43 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 |
|---|---|---|---|
| 02/18/2026 | MA | 0 | 0 |
| 12/17/2025 | MA | 3 | 0 |
| 12/08/2025 | MI | 0 | 0 |
| 12/04/2025 | MI | 0 | 0 |
| 11/28/2025 | MA | 0 | 0 |
| 10/31/2025 | NY | 0 | 0 |
| 10/27/2025 | MI | 0 | 0 |
| 10/24/2025 | MI | 1 | 0 |
| 10/08/2025 | CT | 0 | 0 |
| 10/08/2025 | MI | 0 | 0 |
Crash History · 3 records
| Date | State | Fatalities | Injuries | Tow-Aways |
|---|---|---|---|---|
| 19-JAN-26 | MI | 0 | 0 | 0 |
| 10-JUN-25 | MI | 0 | 0 | 0 |
| 03-MAY-25 | MI | 0 | 0 | 0 |
Authority & Insurance
FMCSA operating authority permits interstate for-hire transportation. Carriers must maintain minimum insurance coverage levels to keep authority active. BIPD (bodily injury and property damage) insurance is required for all for-hire carriers.
| Type | Insurer | Coverage |
|---|---|---|
| BIPD/Primary | Central Mutual Insurance Company | $1,000 |
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.