R L Coolsaet Construction Co is an active intrastate non-hazmat carrier based in Romulus, MI.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 30 | 0 | 0 |
| Tractors | 6 | 0 | 0 |
| Trailers | 60 | 0 | 0 |
| Buses (16+) | 2 | 0 | 0 |
| Total Power Units | 38 | ||
Distinct vehicles · 24 mo
vs 38 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category | Insp w/ Viol |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 79% | 94% | Worse than most peers |
| HOS Compliance | 0% | 0% | Better than most peers |
| Driver Fitness | 0% | 0% | Better than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 86% | 96% | Worse than most peers |
Lower percentile = lower SMS measure = stronger safety record. Computed nightly across active carriers in the same state and fleet-size band.
| Type | Inspections | OOS | OOS % | Nat'l Avg |
|---|---|---|---|---|
| Driver | 0 | 0 | — | 6.67% |
| Vehicle | 0 | 2 | — | 22.26% |
| Hazmat | 0 | 0 | — | 4.44% |
Where they run
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| No crashes recorded | 0 | 0 | 0 | 0 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 4 | 0 | 2 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Jan 12, 2026 | MI | STRAIGHT TRUCK | 0 | 0 |
| Aug 12, 2025 | MI | STRAIGHT TRUCK | 2 | 0 |
| Apr 23, 2025 | MI | TRUCK TRACTOR | 3 | 2 |
| Jun 24, 2024 | MI | STRAIGHT TRUCK | 1 | 0 |
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 2 | 1.07 | — |
| HOS Compliance | 0 | 0.00 | — |
| Vehicle Maintenance | 2 | 8.66 | — |
| Driver Fitness | 0 | 0.00 | — |
| Controlled Substances | 0 | 0.00 | — |
Inspected in 1 state. Top state MI accounts for 100% of activity. Activity outside home state (MI): 0%.
| Unsafe Driving |
| 3 |
| 3 |
| 0 |
| Jun 12, 2024 |
| MI |
| STRAIGHT TRUCK |
| 1 |
| 0 |
| May 3, 2024 | MI | TRUCK TRACTOR | 0 | 0 |
| Apr 2, 2024 | MI | TRUCK TRACTOR | 0 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Aug 12, 2025 | 39216AD | Driver - Failed to use seat belt while operating a CMV. | Unsafe Driving | — |
| Aug 12, 2025 | 39282DUMT | Driver - Using a hand-held mobile telephone | Unsafe Driving | — |
| Apr 23, 2025 | 393110B2IC | Cargo - Insufficient tiedowns (w/o headerboard/blocking) for article(s) of cargo 5 feet or less and more than 1100 lbs | Vehicle Maintenance | Yes |
| Apr 23, 2025 | 393110B3C | Cargo - Insufficient tiedowns (w/o headerboard/blocking) for article(s) of cargo longer than 10 feet | Vehicle Maintenance | Yes |
| Apr 23, 2025 | 3939ALLPL | Lighting - License plate lamp inoperative | Vehicle Maintenance | — |
| Jun 24, 2024 | 3939 | Inoperable Required Lamp | Vehicle Maintenance | — |
| Jun 12, 2024 | 39216 | Failing to use seat belt while operating a CMV | Unsafe Driving | — |