Middlesex Corporation The is an active interstate carrier based in Littleton, MA.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 123 | 0 | 0 |
| Tractors | 18 | 0 | 0 |
| Trailers | 52 | 0 | 0 |
| Total Power Units | 143 | ||
Distinct vehicles · 24 mo
vs 143 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 | 41% | 86% | Around peer average |
| HOS Compliance | 0% | 0% | Better than most peers |
| Driver Fitness | 62% | 88% | Around peer average |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 78% | 91% | 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 | 1 | — | 22.26% |
| Hazmat | 0 | 0 | — |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| No crashes recorded | 0 | 0 | 0 | 0 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 9 | 1 | 1 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Mar 26, 2026 | CT | STRAIGHT TRUCK | 0 | 0 |
| Jan 22, 2026 | CT | STRAIGHT TRUCK | 5 | 0 |
| Nov 21, 2025 | FL | STRAIGHT TRUCK | 2 | 1 |
| Oct 1, 2025 | FL | STRAIGHT TRUCK | 1 | 0 |
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 3 | 0.11 | — |
| HOS Compliance | 0 | 0.00 | — |
| Vehicle Maintenance | 4 | 4.47 | — |
| Driver Fitness | 1 | 0.04 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 3 states. Top state FL accounts for 46% of activity. Activity outside home state (MA): 69%.
| Unsafe Driving |
| 3 |
| 1 |
| 0 |
| Driver Fitness | 1 | 0 | 0 |
| Sep 11, 2025 |
| FL |
| STRAIGHT TRUCK |
| 0 |
| 0 |
| Apr 17, 2025 | FL | STRAIGHT TRUCK | 0 | 0 |
| Apr 2, 2025 | FL | STRAIGHT TRUCK | 0 | 0 |
| Dec 30, 2024 | MA | STRAIGHT TRUCK | 1 | 0 |
| Nov 19, 2024 | MA | STRAIGHT TRUCK | 1 | 0 |
| Nov 10, 2024 | MA | STRAIGHT TRUCK | 0 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Jan 22, 2026 | 39311A1LLPL | Lighting - License plate lamp missing | Vehicle Maintenance | — |
| Jan 22, 2026 | 39311A1LRR | Lighting - Reflex reflector(s) missing or improper | Vehicle Maintenance | — |
| Jan 22, 2026 | 39360D | Windshield / Windows - Tinting permits less than 70% of light transmittance | Vehicle Maintenance | — |
| Jan 22, 2026 | 39395A1 | Emergency Equipment - Fire Extinguishers - no fire extinguisher present or not properly rated. | Vehicle Maintenance | — |
| Jan 22, 2026 | 3939ALSML | Lighting - Side marker lamp(s) inoperative | Vehicle Maintenance | — |
| Nov 21, 2025 | 393130BCHVE | Heavy Vehicles/Equipment - Improper securement of accessory equipment or articulated vehicles | Vehicle Maintenance | Yes |
| Nov 21, 2025 | 39395A1 | Emergency Equipment - Fire Extinguishers - no fire extinguisher present or not properly rated. | Vehicle Maintenance | — |
| Oct 1, 2025 | 39617CPI | Operating a CMV without documentation of a periodic inspection | Vehicle Maintenance | — |
| Dec 30, 2024 | 3922SLLLR | State/Local Laws - Lane restriction violation | Unsafe Driving | — |
| Nov 19, 2024 | 39216AD | Driver - Failed to use seat belt while operating a CMV. | Unsafe Driving | — |