QUEST LINER INC
USDOT 1609038 · Doing business as QUEST LINER
Active, interstate carrier, large fleet (344 power units) — no FMCSA safety rating on record (common).
Vetting summary
At a glance
- Out-of-service rate11% vs 19.1% national avg
- Crashes (24 months)20 reported — involvement does not imply fault
- Linked registrations7 share this carrier's phone or address
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 | 1609038 |
|---|---|
| MC Number | MC-595010 |
| Legal Name | QUEST LINER INC |
| DBA Name | QUEST LINER |
| Entity Type | — |
| Phone | 5635842670 |
| Address | 501 BELL ST, Dubuque, IA, 52001 |
Status
Authority & safety
| Operating Status | Active |
|---|---|
| Operation Type | Interstate |
| Safety Rating | None on record — most carriers have not received a formal FMCSA safety rating. |
| Hazmat Flag | true |
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.
Our scoring
Safety scores
| Unsafe Driving | 82 / 100 |
|---|---|
| Hours-of-Service Compliance | 83 / 100 |
| Driver Fitness | 86 / 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 | 501 |
|---|---|
| Out-of-Service Rate | 11% vs 19.1% national average |
| Crashes | 20 total (2 fatal, 4 with injuries, 19 towaway) |
- 2026-03-16 — IA — towaway
- 2026-02-13 — LA — 1 fatal, 1 injured, towaway
- 2026-01-27 — MI — 1 injured, towaway
- 2026-01-05 — TX — towaway
- 2025-09-16 — TX — towaway
Most frequent violation categories: 16 (142), 20 (69), 12 (41).
Crash involvement does not imply fault. FMCSA crash records list all reportable crashes involving a carrier, regardless of who caused them.
Signals
Linked registrations
7 other active carrier registrations share this carrier's phone or address in FMCSA records.
USDOT 46257 · USDOT 307930 · USDOT 647263 · USDOT 737573 · USDOT 907986
Shared contact details can have many ordinary explanations, such as a shared dispatch service, registration agent, or office address.
Equipment
Fleet & operations
| Power Units (trucks) | 344 |
|---|---|
| Drivers | 239 |
| Recent Annual Mileage | 22,006,141 |
| Last MCS-150 Filing | 21-OCT-25 |
QUEST LINER INC operates 344 power units — a larger fleet than 100% of carriers registered in IA.
Nearby
Other carriers in Dubuque, IA
- DAN ARENSDORF CONSTRUCTION INC — USDOT 1480835, 9 power units
- EHRLICH EXCAVATING INC — USDOT 1194780, 7 power units
- HILLS & DALES CHILD DEVELOPMENT CENTER — USDOT 1514107, 7 power units
- J KUBITZ TRUCKING LLC — USDOT 1342974, 6 power units
- CUMMER MASONRY INC — USDOT 1459385, 6 power units
Browse all carriers in Dubuque, IA or all IA carriers.