QUEST LINER INC
AUTHORIZEDDBA: QUEST LINER
USDOT
1609038
MC Number
595010
Fleet Size
344
Total Drivers
239
Last updated: March 16, 2026
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Safety overview
QUEST LINER INC is a large interstate motor carrier based in DUBUQUE, Iowa, operating 344 power units with 239 drivers. CarrierOwl is currently validating BASIC percentile display against the official FMCSA SMS portal; use the inspection, out-of-service, crash, authority, and insurance data below as the primary public safety indicators on this page. Their driver out-of-service rate of 0.8% comes in under the 5.51% national average. They have 20 crashes on file (2 fatal, 5 with injuries). FMCSA records show 498 inspections for this carrier.
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BASIC scores
Under reviewCarrierOwl is validating BASIC percentile calculations against the official FMCSA SMS portal. Until that review is complete, use FMCSA directly for current BASIC percentiles and use the inspection, out-of-service, crash, authority, and insurance data on this page as supporting indicators.
BASIC percentile display is temporarily paused while we validate CarrierOwl's methodology against the official FMCSA SMS portal.
Out-of-service rates vs. national average
An out-of-service order means the driver or vehicle was pulled from operation during a roadside inspection.
For reference, the average driver OOS rate in Iowa is 7.2% and the average vehicle OOS rate is 29.9% across 25,829 carriers.
Company details
- Entity Type
- N/A
- Carrier Operation
- Interstate
- Operation Classification
- Authorized For Hire
- Cargo Carried
- N
- Hazmat
- Yes
- Safety Rating Date
- N/A
Inspections
498
Total
54%
Driver %
Insurance on file
Liability (BIPD)
ACE AMERICAN INSURANCE COMPANY — eff. Dec 1, 2025
Cargo
Not on file
Surety Bond
TRAVELERS CASUALTY & SURETY CO. OF AMERICA — eff. Sep 22, 2024
Trust Fund
Not on file
Crash history
20
Total Crashes
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Frequently asked questions
Is QUEST LINER INC authorized to operate?
Yes. QUEST LINER INC (USDOT #1609038) currently holds "AUTHORIZED" status with FMCSA. They're registered as an interstate carrier.
What is QUEST LINER INC's safety record?
QUEST LINER INC has 498 inspections on file and 20 crashes on record. They do not show a formal FMCSA safety rating in CarrierOwl's current data. CarrierOwl is validating BASIC percentile display against the official FMCSA SMS portal, so brokers should verify current BASIC percentiles directly with FMCSA before relying on them.
How many trucks does QUEST LINER INC operate?
QUEST LINER INC operates 344 power units with 239 drivers on file. That puts them in the large carrier category by FMCSA standards.
Does QUEST LINER INC transport hazardous materials?
Yes. QUEST LINER INC is flagged for hazardous materials transportation with FMCSA. That means additional safety requirements and more frequent inspections.
Where is QUEST LINER INC located?
QUEST LINER INC is based in DUBUQUE, Iowa at 501 BELL ST, 52001. Phone: (563) 584-2670.
What are QUEST LINER INC's out-of-service rates?
QUEST LINER INC's driver out-of-service rate is 0.8%, compared to the national average of 5.51%. Below average, which is a good sign. Their vehicle out-of-service rate is 12.5% (national average: 20.72%). Below average, suggesting the fleet is well-maintained.