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Freight Carrier/cargo Tank/broker · Dubuque, IA

QUEST LINER

Name: QUEST LINER
Address: 501 BELL ST, DUBUQUE, IA, 52001, US
Telephone: (563) 584-2670

501 BELL ST · Dubuque, IA 52001

AUTHORIZED FOR:

(563) 584-2670 Tap to call

MC #595010
USDOT #1609038 USDOT Active

344
Power Units
239
Drivers
Carrier/cargo Tank/broker
Entity Type

About this carrier

QUEST LINER is a Dubuque, IA freight carrier/cargo tank/broker that is authorized for: in the state of Iowa. This company has 344 truck(s) in their fleet and 239 truck drivers. Their motor carrier number is MC-595010 and their USDOT number is 1609038.

Sourced from FMCSA SAFER · last filed 10/21/2025 · last updated Sep 5, 2026.

Carrier Details

Legal Name QUEST LINER INC
Operating Status AUTHORIZED FOR:
MCS-150 Filed 10/21/2025
MCS-150 Mileage 22,006,141 (2024)

Authority & Operations

Operation Classification

Authorized for Hire

Carrier Operation

Interstate

Cargo Authorized

Driveaway/Towaway
Liquids/Gases
Chemicals
Commodities Dry Bulk

Safety Record

47 Severe Violations Updated Oct 19, 2026

Crashes (24 mo)

2
Fatal
4
Injury
15
Tow
21
Total

Behavior Categories (BASICs)

CategoryMeasureViolations Unsafe Driving 0.9 34 Crash Indicator Not Public — Hours of Service 0.16 23 Vehicle Maintenance 2.67 162 Drugs / Alcohol 0 0 Hazmat Not Public — Driver Fitness 0.03 4

Inspection Summary

524
Total
316
Clean
208
With violations

24-month window ending Sep 25, 2026

Violations Cited 150 unique codes

Critical 49

173.24B2-HMBPMCHM (Bulk Packages) - More than 25% percent of the supporting and/or anchoring mechanisms are ineffective. NOTE: A bulk package which is also an intermodal container must be secured in accordance with "Cargo Securement" in Part II1× OOS×1 SW 10
392.2-SLLS4State/Local Laws - Speeding 15 or more miles per hour over the speed limit3× SW 10
392.2-SLLSWZState/Local Laws - Speeding work/construction zone2× SW 10
393.75A3-TAOLTires - All others, leaking or inflation less than 50% of the maximum inflation pressure on tire not equipped with ATIS7× OOS×7 SW 8
393.75A3-TAOLTISTires - All others, leaking in tread area and inflation less than 50% of the maximum inflation pressure on tire equipped with ATIS2× OOS×2 SW 8
383.95A-LCDLRestriction - (CDL) - Operate a CMV in violation of a restriction1× OOS×1 SW 8
393.75(a)Flat tire or fabric exposed1× OOS×1 SW 8
393.75(a)(3)Tire-flat and/or audible air leak1× OOS×1 SW 8
396.3(a)(1)Tire in contact with another part of the vehicle1× OOS×1 SW 8
178.345-8A5-HMPHM (Packaging) - DOT 406/407/412 minimum road clearance.3× SW 8
393.75(c)Tire-other tread depth less than 2/32 of inch measured in a major tread groove2× SW 8
393.75A1-TEPBMTires - All others - Exposed ply or belt material in tread or sidewall area1× SW 8
178.345-10-HMPHM (Packaging) - DOT 406/407/412 pressure relief.1× SW 8
178.345-14C-HMPHM (Packaging) - DOT 406/407/412 specification plate marking requirements.1× SW 8
178.345-8(a)(5)DOT406/407/412 minimum road clearance1× SW 8
393.207(a)Axle positioning parts defective/missing1× OOS×1 SW 7
393.207F-SASMDSuspension - Air spring/bag is missing or is detached at the top or bottom.1× OOS×1 SW 7
393.207F-SDASSuspension - Deflated air suspension1× OOS×1 SW 7
393.9A-LSLIWRLighting - Stop lamps - Both inoperative when required to be on4× OOS×4 SW 6
393.209(d)Steering system components worn, welded, or missing1× OOS×1 SW 6
393.9A-LTSILighting - Turn signal - Any inoperative on the rearmost vehicle.1× OOS×1 SW 6
393.9(a)Inoperative Brake Lamps1× OOS×1 SW 6
172.516(c)(6)Placard damaged, deteriorated, or obscured2× OOS×1 SW 5
395.8A1-HOSPHOS (Property) - Failing to have a record of duty status using the method prescribed1× OOS×1 SW 5
383.51A-NSINDriving a CMV while CDL is suspended for a non-safety-related reason and in the state of driver's license issuance1× OOS×1 SW 5
172.514A-HMPSHM (Placarding) - Failing to affix placards to a bulk package when required.1× OOS×1 SW 5
177.823(a)No placards/markings when required1× OOS×1 SW 5
393.45(b)(2)Brake hose or tubing chafing and/or kinking14× OOS×5 SW 4
393.45B2-BHTDAir Brake - Hose/tubing damage into the outer reinforcement ply.6× OOS×5 SW 4
393.45B2UVBrake Hose or Tubing Chafing and/or Kinking Under Vehicle6× OOS×2 SW 4
393.45B2-B-AIRAir Brake - Hose/tubing damaged or not secured15× OOS×1 SW 4
393.45B2PCBrake Hose or Tubing Chafing and/or Kinking - Connection to Power Unit5× OOS×1 SW 4
393.45(d)Brake connections with leaks or constrictions5× OOS×1 SW 4
393.45D-BAALAir Brake - Audible air leak at other than a proper connection2× OOS×1 SW 4
393.43A-TPVAir Brake - Inoperable or missing tractor protection valve1× OOS×1 SW 4
393.47A-BCFSBD-SADrum Brake - Contaminated friction surface on a steering axle1× OOS×1 SW 4
396.3A1-BARSAir Brake - Air reservoir separated from its original attachment points or moving more than 1 inch1× OOS×1 SW 4
396.3(a)(1)Inspection, repair and maintenance of parts and accessories9× OOS×2 SW 2
393.9Inoperable Required Lamp13× OOS×1 SW 2
396.5B-HWSLOWHubs - Wheel seal leaking - outer wheel2× OOS×1 SW 2
391.11(b)(4)Medical (Certificate) - Operating a CDL (passenger or property carrying) vehicle that is non-excepted and the driver has self-certified as excepted interstate or excepted intrastate with the state driver's licensing agency.1× OOS×1 SW 2
391.41B10-MCMedical (Certificate) - Operating a commercial vehicle without corrective lenses or hearing aid as indicated on the driver's medical certificate1× OOS×1 SW 2
393.205(a)Wheel/rim cracked or broken1× OOS×1 SW 2
393.205A-WRDCWheel/Rim - Any disc wheel or rim crack/missing piece of more than 3 inches1× OOS×1 SW 2
393.23-LEULighting - All electrical systems on towed vehicle(s) inoperative due to no electrical connection (e.g., unplugged or loose pigtail)1× OOS×1 SW 2
393.23PTAll required lamps on towed vehicle inoperative due to no electrical connection1× OOS×1 SW 2
396.3(a)(1)Hubs - Hub cap missing or broken1× OOS×1 SW 2
392.9Driver may not operate a CMV without proper load securement1× OOS×1 SW 1
396.3(a)1BOSBrake - Defective brake(s) are equal to or greater than 20% of the service brakes on the vehicle/combination4× OOS×4 SW 0

Unsafe Driving 8

392.2-SLLS3State/Local Laws - Speeding 11-14 miles per hour over the speed limit7× SW 7
392.16-DDriver - Failed to use seat belt while operating a CMV1× SW 7
392.2-SLLTCDState/Local Laws - Failed to obey a traffic control device - Permanent or Temporary - e.g., safety official, signal, sign, light, lane marking, other4× SW 5
392.2CFailure to obey traffic control device1× SW 5
392.2-SLLMLState/Local Laws - Failure to maintain lane1× SW 5
392.2-SLLS2State/Local Laws - Speeding 6-10 miles per hour over the speed limit9× SW 4
392.2-SLLLRState/Local Laws - Lane restriction violation6× SW 3
397.13Smoking within 25 ft of HM vehicle2× SW 1

Hours of Service 17

395.8E-HOSPDHOS (Property) - No driver may make a false report in connection with a duty status. Explain3× SW 7
395.3A1-HOSPDHOS (Property) - Driving more than 11 hours following 10 consecutive hours off duty during the current 8 consecutive day period. Date and Time1× SW 7
395.3A2-HOSPDHOS (Property) - Driving beyond the 14 hour after coming on duty following 10 consecutive hours off duty during the current 8 consecutive day period. Date and Time1× SW 7
395.3AIIDriving beyond 8 hour driving limit since the end of the last on duty, off duty or sleeper berth period of at least 30 consecutive minutes1× SW 7
395.8(e)False report of drivers record of duty status1× SW 7
395.8(e)(1)PCHOS - False record of duty status driver improper use of Personal Conveyance - Not OOS1× SW 7
395.8F01Drivers record of duty status not current1× SW 5
395.24D-ELDPTHOS (ELD) - On request by an authorized safety official, a driver must produce and transfer from an ELD the driver's hours of service records in accordance with the instruction sheet provided by the motor carrier1× SW 3
395.24HOS (ELD) - ELD Form and Manner3× SW 1
395.22GPortable ELD not mounted in a fixed position and visible to driver2× SW 1
395.24C2IIIDriver failed to manually add shipping document number2× SW 1
395.30B1Driver failed to certify the accuracy of the information gathered by the ELD2× SW 1
395.30B1-ELDDFRHOS (ELD) - Driver failing to review records and certify the accuracy of the information.2× SW 1
395.22(b)(2)(ii)Motor carrier failed to include required user identification data in ELD account1× SW 1
395.22G-ELDMFVHOS (ELD) - A portable ELD is not mounted in a fixed position and visible to the driver when seated in the normal driving position.1× SW 1
395.24C2IIDriver failed to manually add the trailer number1× SW 1
395.3A2-PROPNDriving beyond 14 hour duty period (Property carrying vehicle) - Nominal Violation1× SW 1

Vehicle Maintenance 65

393.9A-LFTSILighting - Front - Turn signal - inoperative5× SW 6
393.9A-LTSIRLighting - Turn signal -Any inoperative on a unit that is not the rearmost unit3× SW 6
393.9HInoperable head lamps3× SW 6
393.9A-LHWSLighting - Hazard warning signal(s) inoperative2× SW 6
393.9A-LRLILighting - Tail lamp - Any inoperative2× SW 6
393.9TSInoperative turn signal2× SW 6
393.11A1-LHLMLighting - Headlamp(s) - Any missing1× SW 6
393.9A-HLLHLighting - Headlamp(s) fail to operate on low and high beam1× SW 6
393.9A-LBLLighting - Backup lamp inoperative1× SW 6
393.9A-LSLILighting - Stop lamps - Any inoperative.1× SW 6
393.9TInoperable tail lamp1× SW 6
393.45D-BAir Brake - Audible air leak at a proper connection13× SW 4
393.47(e)Brake Out of Adjustment - Roto, Clamp (Short & Long), DD-3, or Bolt11× SW 4
393.55E-BAir Brake - ABS malfunction lamp defective on trailers manufactured on or after March 1, 19988× SW 4
393.53(b)CMV manufactured after 10/19/94 has an automatic airbrake adjustment system that fails to compensate for wear6× SW 4
393.55(e)No or Defective ABS Malfunction Indicator Lamp for trailer manufactured after 03/01/19986× SW 4
393.45DLUVBrake Connections with Leaks Under Vehicle5× SW 4
393.53B-BAir Brake - CMV manufactured on or after 10/20/1994 has an automatic airbrake adjustment system that fails to compensate for wear5× SW 4
393.45Brake tubing and hose adequacy3× SW 4
393.55D1-BAir Brake - ABS malfunction lamp defective on truck-tractor manufactured on or after March 1, 1997 and each single unit CMV on or after 1998.3× SW 4
396.17(c)Operating a CMV without proof of a periodic inspection3× SW 4
396.3A1-BALACBrake - Audible air leak from a brake chamber3× SW 4
393.45DLPCBrake Connections with Leaks - Connection to Power Unit2× SW 4
393.48A-BIBDDrum Brake - Inoperative other than a steering axle2× SW 4
393.55(c)(1)Truck Tractor manufactured on or after March 1, 1997 not equipped with an antilock brake system2× SW 4
393.55C1-BAir Brake - Truck-tractor manufactured on or after March 1, 1997, not equipped with an ABS system. System does not function or indicates a fault.2× SW 4
393.55C2-BAir Brake - CMV other than truck-tractor manufactured on or after March 1, 1998 not equipped with an antilock brake system. System does not function or indicates a fault.2× SW 4
393.55(d)(1)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)2× SW 4
393.55(d)(2)CMV manufactured on/after 3/1/2001 not equipped with ABS malfunction circuit / lamp from towed vehicle in cab2× SW 4
393.45B2-BAir brake - Hose/tubing damaged or not secured1× SW 4
393.45PCBrake Tubing and Hose Adequacy - Connections to Power Unit1× SW 4
393.47(a)Inadequate brakes for safe stopping - Brake Lining condition1× SW 4
393.47A-BCLMBDDrum Brake - Cracked/loose/missing lining/pad1× SW 4
393.47D2-BLTBDDrum Brake - Inadequate lining/pad thickness1× SW 4
393.48A-BMBCADAir Disc Brake - Missing/broken component(s)1× SW 4
393.48A-BMBCBDDrum Brake - Missing/broken component(s)1× SW 4
393.55(c)(2)CMV other than truck-tractor manufactured on or after March 1, 1998 not equipped with an antilock brake system.1× SW 4
393.55(d)(3)No or Defective ABS Malfunction Indicator for towed vehicles on vehicles manufactured after February 20011× SW 4
396.17C-PIOperating a CMV without documentation of a periodic inspection1× SW 4
393.11TLTruck-Tractor lower rear mud flaps retroreflective sheeting / reflex reflective material requirements for vehicles manufactured after July 19977× SW 3
393.11No or defective lighting devices or reflective material as required6× SW 3
396.5(b)Oil and/or grease leak5× SW 3
396.5B-LLubrication - Oil or grease leak5× SW 3
393.11A1-CSURRConspicuity Systems - Truck tractor, upper rear retro reflective sheeting missing on vehicle manufactured on or after July 1, 19972× SW 3
393.11TUTruck-Tractor upper body corner requirements for retroreflective sheeting or reflex reflective material for vehicles manufactured after July 19972× SW 3
393.11A1-CSLRRConspicuity Systems - Truck tractor, lower rear retro reflective sheeting missing on vehicle manufactured on or after July 1, 19971× SW 3
393.81Horn inoperative1× SW 3
393.95(a)No/discharged/unsecured fire extinguisher6× SW 2
393.95A1Emergency Equipment - Fire Extinguishers - no fire extinguisher present or not properly rated.3× SW 2
393.95A4-EEUSEmergency Equipment - Fire Extinguishers - unsecured2× SW 2
392.8Failing to inspect/use emergency equipment1× SW 2
393.203(c)Hood not securely fastened1× SW 2
393.203C-CBPCab and Body Parts - Hood not securely fastened1× SW 2
393.95(f)Emergency Equipment - Stopped vehicle warning devices missing or improper1× SW 2
393.9A-LCLLighting - Clearance lamp(s) inoperative1× SW 2
393.9A-LILLighting - Identification lamp(s) inoperative1× SW 2
393.9A-LSMLLighting - Side marker lamp(s) inoperative1× SW 2
396.5B-HLIWHubs - Oil and/or Grease Leaking from hub - inner wheel1× SW 2
396.5B-HWSLHubs - Wheel seal leaking1× SW 2
399.211-CBPCab-Over-Engine truck or tractor only - Defective cab access steps, handholds or deck plates1× SW 2
393.60(c)Windshield - Damaged or Discolored8× SW 1
393.78Wipers - Inoperative / missing / damaged wipers5× SW 1
393.60(d)Windshield / Windows - Tinting permits less than 70% of light transmittance4× SW 1
392.2WCWheel (Mud) Flaps missing or defective1× SW 1
393.78A-WSWashers - Inoperative washing system.1× SW 1

Hazardous Materials 11

172.504(a)Vehicle not placarded as required2× SW 5
172.504A-HMPSHM (Placarding) - Bulk package/freight container/unit load device/transport vehicle not placarded as required.2× SW 5
172.516C6-HMPMCHM (Placarding) - Failure to maintain placard(s) in a condition so that the format, legibility, color, and visibility of the placard will not be substantially reduced due to damage, deterioration, or obscurement by dirt or other matter2× SW 5
172.328(d)Fail to mark manual remote shutoff device with "Emergency Shutoff"1× SW 5
172.332A-HMMHM (Markings) - Failing to display ID number(s) as required1× SW 5
172.516D-HMPMCHM (Placarding) - Failure to mount placard holder in accordance with Appendix C of this Part1× SW 5
172.602C-HMERHM (Emergency Response) - Improper maintenance/accessibility of emergency response information1× SW 3
177.817E1-HMHCHM (Highway Carriage) - Failing to clearly distinguish HM shipping papers from other papers of any kind1× SW 3
171.2FHMGRMCHM (General Requirements) - Transporting Hazardous Materials not in accordance with this part1× SW 2
177.801-HMHCNPHM (Highway Carriage) - Driver accepted/transported HM not prepared in accordance with this Subchapter. Explain1× SW 2
397.67HM vehicle routing violation (non RAM)1× SW 1

Locations

Physical Address

QUEST LINER
501 BELL ST
DUBUQUE, IA 52001

Mailing Address

Same as physical.

Location on Map

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QUEST LINER

About this carrier

Carrier Details

Authority & Operations

Cargo Authorized

Operating Territory

Crashes (24 mo)

Behavior Categories (BASICs)

Inspection Summary

Violations Cited 150 unique codes

Critical 49

Unsafe Driving 8

Hours of Service 17

Vehicle Maintenance 65

Hazardous Materials 11

Locations

Location on Map

Related Companies

Same physical address 1

Same phone number 1

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