DBA: Quest Liner
Quest Liner Inc is an active interstate carrier based in Dubuque, IA.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 344 | 0 | 0 |
| Tractors | 190 | 154 | 0 |
| Total Power Units | 344 | ||
Distinct vehicles · 24 mo
vs 344 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 88% | 84% | Worse than most peers |
| HOS Compliance | 69% | 94% | Around peer average |
| Driver Fitness | 44% | 94% | Around peer average |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 31% | 85% | Better 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 | 4 | — | 6.67% |
| Vehicle | 0 | 53 | — | 22.26% |
| Hazmat | 278 | 0 | 0.00% |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| Jan 1, 2026 | 1 | 2 | 5 | 5 |
| Jul 1, 2025 | 1 | 2 | 4 | 5 |
| Apr 1, 2025 | 0 | 1 | 3 | 3 |
| Jan 1, 2025 | 0 | 0 | 7 | 7 |
| Jul 1, 2024 | 0 | 0 | 1 | 1 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 260 | 48 | 63 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Mar 25, 2026 | LA | TRUCK TRACTOR | 0 | 0 |
| Mar 25, 2026 | TX | TRUCK TRACTOR | 1 | 0 |
| Mar 24, 2026 | OK | TRUCK TRACTOR | 0 | 0 |
| Mar 24, 2026 | OH | TRUCK TRACTOR | 0 | 0 |
| Mar 23, 2026 |
| Insp w/ Viol |
|---|
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 39 | 1.13 | — |
| HOS Compliance | 16 | 0.11 | — |
| Vehicle Maintenance | 146 | 2.51 | — |
| Driver Fitness | 3 | 0.05 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 33 states. Top state IA accounts for 17% of activity. Activity outside home state (IA): 83%.
+28 other states with fewer inspections
| Unsafe Driving |
| 41 |
| 15 |
| 0 |
| Hazardous Materials Compliance | 21 | 5 | 2 |
| Hours-of-Service Compliance | 18 | 5 | 1 |
| Driver Fitness | 3 | 1 | 3 |
| OK |
| TRUCK TRACTOR |
| 0 |
| 0 |
| Mar 20, 2026 | IL | TRUCK TRACTOR | 3 | 1 |
| Mar 17, 2026 | MO | TRUCK TRACTOR | 1 | 0 |
| Mar 17, 2026 | MO | TRUCK TRACTOR | 0 | 0 |
| Mar 11, 2026 | OK | STRAIGHT TRUCK | 0 | 0 |
| Mar 11, 2026 | MO | TRUCK TRACTOR | 0 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Mar 25, 2026 | 39345B2UV | Brake Hose or Tubing Chafing and/or Kinking Under Vehicle | Vehicle Maintenance | — |
| Mar 20, 2026 | 39345D | Brake connections with leaks or constrictions | Vehicle Maintenance | Yes |
| Mar 20, 2026 | 39355D1 | CMV not equipped with ABS malfunction circuit or signal (Truck-Tractor mfg on/after 3/1/1997; Straight Truck mfg on/after 3/1/1998) | Vehicle Maintenance | — |
| Mar 20, 2026 | 39355D2 | CMV manufactured on/after 3/1/2001 not equipped with ABS malfunction circuit / lamp from towed vehicle in cab | Vehicle Maintenance | — |
| Mar 17, 2026 | 39345DB | Air Brake - Audible air leak at a proper connection | Vehicle Maintenance | — |
| Mar 10, 2026 | 393207A | Axle positioning parts defective/missing | Vehicle Maintenance | Yes |
| Mar 10, 2026 | 39347A | Inadequate brakes for safe stopping - Brake Lining condition | Vehicle Maintenance | — |
| Mar 6, 2026 | 39375A3TAOL | Tires - All others leaking or inflation less than 50% of the maximum inflation pressure on tire not equipped with ATIS | Vehicle Maintenance | Yes |
| Mar 1, 2026 | 39311TL | Truck-Tractor lower rear mud flaps retroreflective sheeting / reflex reflective material requirements for vehicles manufactured after July 1997 | Vehicle Maintenance | — |
| Mar 1, 2026 | 3963A1TC | Tire in contact with another part of the vehicle | Vehicle Maintenance | Yes |