HIGHWAY MAIL COMPANY
USDOT 304808
Active, interstate carrier, mid-size fleet (23 power units) — safety rating: satisfactory.
Vetting summary
At a glance
- Insurance on fileZurich American Insurance Company
- Out-of-service rate15.4% vs 19.1% national avg
- Crashes (24 months)2 reported — involvement does not imply fault
- Authority ageGranted 18 years ago
These signals summarize the records shown below — they are a starting point for your own checks, not a judgment of the carrier.
Registration
Carrier identity
| USDOT Number | 304808 |
|---|---|
| MC Number | MC-620731 |
| Legal Name | HIGHWAY MAIL COMPANY |
| DBA Name | — |
| Entity Type | CORPORATION |
| Phone | 5152383341 |
| Address | 18555 Y AVENUE, Granger, IA, 50109-0577 |
Status
Authority & safety
| Operating Status | Active |
|---|---|
| Operation Type | Interstate |
| Safety Rating | S — Satisfactory (rated 20100930) |
| Hazmat Flag | false |
Safety ratings: S = Satisfactory, C = Conditional, U = Unsatisfactory. A carrier with no rating has not been through a full FMCSA compliance review — this is common and not itself a red flag.
Filings
Insurance
| Current Insurer | Zurich American Insurance Company |
|---|---|
| Coverage on File | $1,000,000 |
| Insurance on File Since | 2011-01-01 |
| Insurer | Coverage | Form | Effective | Cancelled |
|---|---|---|---|---|
| Zurich American Insurance Company | $1,000,000 | BMC-91X | 2011-01-01 | — |
Timeline
Authority history
| Authority First Granted | 2007-10-15 Established authority |
|---|---|
| Authority Events on Record | 1 |
- 2007-10-15 — Granted — Motor Carrier of Property (Except Household Goods) Active GRANTED
Our scoring
Safety scores
| Unsafe Driving | 93 / 100 |
|---|---|
| Hours-of-Service Compliance | 87 / 100 |
| Driver Fitness | 87 / 100 |
| Controlled Substances & Alcohol | 0 / 100 |
| Vehicle Maintenance | 71 / 100 |
Scores are 0-100 rankings computed by us from public FMCSA inspection measures; higher = worse relative to peers. Not official CSA/BASIC percentiles. How these scores are computed.
Safety events
Inspections & crashes (last 24 months)
| Inspections | 39 |
|---|---|
| Out-of-Service Rate | 15.4% vs 19.1% national average |
| Crashes | 2 total (0 fatal, 1 with injuries, 2 towaway) |
- 2025-03-20 — IA — towaway
- 2025-01-05 — MO — 1 injured, towaway
- 2024-01-11 — IA — 1 injured, towaway
- 2023-09-21 — IA — towaway
Most frequent violation categories: 12 (16), 4 (6), 47 (5).
Crash involvement does not imply fault. FMCSA crash records list all reportable crashes involving a carrier, regardless of who caused them.
Equipment
Fleet & operations
| Power Units (trucks) | 23 |
|---|---|
| Drivers | 28 |
| Recent Annual Mileage | 2,042,236 |
| Last MCS-150 Filing | 09-JUN-26 |
HIGHWAY MAIL COMPANY operates 23 power units — a larger fleet than 98% of carriers registered in IA.
Nearby
Other carriers in Granger, IA
- BARR-NUNN TRANSPORTATION LLC — USDOT 261978, 629 power units
- STURGEON TRUCK LINES INC — USDOT 255229, 19 power units
- STARCO INC — USDOT 323087, 10 power units
- C & K TRANSPORT INC — USDOT 53755, 9 power units
- M & L TRUCKING LTD — USDOT 436880, 3 power units
Browse all carriers in Granger, IA or all IA carriers.