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Freight Carrier · Rock Springs, WY

MOUNTAIN LINE INC

Name: MOUNTAIN LINE INC
Address: 1948 EDGAR ST, ROCK SPRINGS, WY, 82901, US
Telephone: (307) 289-4203

1948 EDGAR ST · Rock Springs, WY 82901

AUTHORIZED FOR:

(307) 289-4203 Tap to call

MC #1194478
USDOT #3558740 USDOT Active

90
Power Units
80
Drivers
Carrier
Entity Type

About this carrier

MOUNTAIN LINE INC is a Rock Springs, WY freight carrier that is authorized for: in the state of Wyoming. This company has 90 truck(s) in their fleet and 80 truck drivers. Their motor carrier number is MC-1194478 and their USDOT number is 3558740.

Sourced from FMCSA SAFER · last filed 09/22/2026 · last updated Sep 27, 2026.

Carrier Details

Operating Status AUTHORIZED FOR:
MCS-150 Filed 09/22/2026
MCS-150 Mileage 9,526,534 (2026)

Authority & Operations

Operation Classification

Authorized for Hire

Carrier Operation

Interstate

Cargo Authorized

General Freight

Safety Record

35 Severe Violations Updated 2 days ago

Crashes (24 mo)

0
Fatal
1
Injury
3
Tow
4
Total

Behavior Categories (BASICs)

CategoryMeasureViolations Unsafe Driving 3.29 25 Crash Indicator Not Public — Hours of Service 0.38 14 Vehicle Maintenance 6.45 47 Drugs / Alcohol 0 0 Hazmat Not Public — Driver Fitness 0.09 3

Inspection Summary

167
Total
90
Clean
77
With violations

24-month window ending Sep 25, 2026

Violations Cited 100 unique codes

Critical 29

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 zone3× SW 10
393.75A3-TAOLTires - All others, leaking or inflation less than 50% of the maximum inflation pressure on tire not equipped with ATIS6× OOS×6 SW 8
391.11B5-LNCDLNVLLicense - Operate a CMV without a valid operators license, issued by one State or jurisdiction1× OOS×1 SW 8
393.75(a)Flat tire or fabric exposed1× OOS×1 SW 8
393.75A1-TAORETATires - All others, has more than one ply exposed in the tread area exceeding 2 square inches.1× OOS×1 SW 8
393.75A1-TFSMFTires - Front, sidewall is cut/worn/damaged exposing ply cord1× OOS×1 SW 8
393.75A2-TAOBBTires - All others, bump or bulge related to tread or sidewall separation1× OOS×1 SW 8
393.75A2-TAOTLMTires - All others, 75% of the tread width is loose/missing in excess of 12 inches of circumference1× OOS×1 SW 8
393.75C-TAOTD-LT2/32Tires - Less than 2/32 inch tread depth3× SW 8
393.75(a)(3)Tire-flat and/or audible air leak1× SW 8
393.75A1-TEPBMTires - All others - Exposed ply or belt material in tread or sidewall area1× SW 8
395.8E-HOSPDELDTHOS (Property) - Tampering with an ELD so that the device does not accurately record and retain required data. Explain:2× OOS×2 SW 7
393.128B-CLWVLight Weight Vehicles - Improper securement of automobiles, light trucks, and vans1× OOS×1 SW 7
393.9TSInoperative turn signal2× OOS×1 SW 6
383.51A-SOUTDriving a CMV while CDL is suspended for safety-related or unknown reason and outside the state of driver's license issuance1× OOS×1 SW 5
393.45B2-BHTDAir Brake - Hose/tubing damage into the outer reinforcement ply.2× OOS×2 SW 4
393.48(a)Inoperative/defective brakes1× OOS×1 SW 4
393.45A-BHTIJAir Brake - Improperly joined such as a splice made by sliding the hose ends over a piece of tubing and clamping the hose to the tube1× OOS×1 SW 4
393.45D-BAALAir Brake - Audible air leak at other than a proper connection1× OOS×1 SW 4
396.3A1-BNMHBrake - Non-manufactured hole or crack in the spring brake housing section of a parking brake1× OOS×1 SW 4
396.3A1-BALRAir Brake - Fails air loss rate test1× OOS×1 SW 4
393.132C-CHVEFlattened/Crushed Vehicles - Improper securement of flattened or crushed vehicles.1× OOS×1 SW 3
396.3A1-FFuel - Dripping leak.1× OOS×1 SW 3
393.110(b)Insufficient tiedowns to prevent forward movement for load not blocked by headerboard, bulkhead, or other cargo1× OOS×1 SW 3
396.5A-HNLHubs - No visible or measurable lubricant showing in the hub1× OOS×1 SW 2
396.5B-HWSLHubs - Wheel seal leaking1× OOS×1 SW 2
392.9A2-CCargo - Vehicle components or dunnage not secured1× 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/combination6× OOS×6 SW 0

Unsafe Driving 8

392.2-SLLS3State/Local Laws - Speeding 11-14 miles per hour over the speed limit4× SW 7
392.16Failing to use seat belt while operating a CMV1× SW 7
392.16ADDriver - Failed to use seat belt while operating a CMV.1× 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
392.2-SLLMLState/Local Laws - Failure to maintain lane2× SW 5
392.2-SLLS2State/Local Laws - Speeding 6-10 miles per hour over the speed limit3× SW 4
392.2-SLLLRState/Local Laws - Lane restriction violation3× SW 3
392.22A-DDriver - Failed to activate hazard warning signal flashers2× SW 1

Vehicle Maintenance 53

393.207A-SAPPCBLMSuspension - Axle positioning part cracked/broken/loose/missing.1× SW 7
393.9A-LTSIRLighting - Turn signal -Any inoperative on a unit that is not the rearmost unit4× SW 6
393.9A-LSLILighting - Stop lamps - Any inoperative.3× SW 6
393.11A1-LCHLLighting - Lamps improper color, height, location.2× SW 6
393.9A-LFTSILighting - Front - Turn signal - inoperative2× SW 6
393.9A-LRLILighting - Tail lamp - Any inoperative2× SW 6
393.9(a)Inoperative Brake Lamps1× SW 6
393.9TInoperable tail lamp1× SW 6
393.9A-HLLHLighting - Headlamp(s) fail to operate on low and high beam1× SW 6
393.25(f)Stop lamp violations1× SW 6
393.19Inoperative/Defective Hazard Warning Lamp1× SW 6
393.55E-BAir Brake - ABS malfunction lamp defective on trailers manufactured on or after March 1, 19988× SW 4
393.47(e)Brake Out of Adjustment - Roto, Clamp (Short & Long), DD-3, or Bolt6× 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 wear3× SW 4
396.3A1-BALACBrake - Audible air leak from a brake chamber2× SW 4
393.45D-BAir Brake - Audible air leak at a proper connection2× SW 4
393.47A-BCFSBDDrum Brake - Contaminated friction surface2× SW 4
396.17C-PIOperating a CMV without documentation of a periodic inspection2× SW 4
396.9(d)(2)Failure to correct defects noted on previous inspection report1× SW 4
393.55(d)(3)No or Defective ABS Malfunction Indicator for towed vehicles on vehicles manufactured after February 20011× SW 4
393.55D2-BAir Brake - ABS malfunction lamp defective on truck-tractor manufactured on or after March 1, 2001 for towed vehicle.1× 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.1× SW 4
393.53(b)CMV manufactured after 10/19/94 has an automatic airbrake adjustment system that fails to compensate for wear1× SW 4
393.48A-BMBCBDDrum Brake - Missing/broken component(s)1× SW 4
393.48A-BI-TSABrake - Inoperative on a trailer steering axle1× SW 4
393.48A-BIBDDrum Brake - Inoperative other than a steering axle1× SW 4
393.45C-BSGAir Brake - Missing or inadequate Nonmetallic tubing spring guard1× SW 4
393.45B2PCBrake Hose or Tubing Chafing and/or Kinking - Connection to Power Unit1× SW 4
393.11B-CSURRConspicuity Systems - Trailers, upper rear retro reflective sheeting inadequate on vehicle manufactured on or after December 1, 19932× 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
393.11B-CSRIGRRConspicuity Systems - Trailers, rear impact guard retro reflective sheeting inadequate on vehicle manufactured on or after December 1, 19931× SW 3
393.11No or defective lighting devices or reflective material as required1× SW 3
393.11A1-LRRLighting - Reflex reflector(s) missing or improper1× SW 3
393.11TUTruck-Tractor upper body corner requirements for retroreflective sheeting or reflex reflective material for vehicles manufactured after July 19971× SW 3
393.13(c)(2)No Lower Rear retroreflective sheeting or reflex reflective material as required for vehicles manufactured before December 19931× SW 3
393.9A-LILLighting - Identification lamp(s) inoperative5× SW 2
393.95(a)No/discharged/unsecured fire extinguisher4× SW 2
393.9Inoperable Required Lamp3× SW 2
392.2SLSNCState/Local Laws - CMV snow chains required1× SW 2
393.9A-LSMLLighting - Side marker lamp(s) inoperative1× SW 2
393.9A-LLPLLighting - License plate lamp inoperative1× SW 2
393.95(f)Emergency Equipment - Stopped vehicle warning devices missing or improper1× SW 2
393.95A4-EENAEmergency Equipment - Fire Extinguishers - not readily accessible or filled1× SW 2
393.201D-FRFrame - Accessories improperly attached1× SW 2
393.203C-CBPCab and Body Parts - Hood not securely fastened1× SW 2
393.88Television/video display device - Improperly located1× SW 2
393.95A4-EEUSEmergency Equipment - Fire Extinguishers - unsecured1× SW 2
393.78A-WSWashers - Inoperative washing system.3× SW 1
393.100C-CCargo - Cargo not secured against shifting1× SW 1
393.104B-CCargo - Damaged securement devices/tiedowns1× SW 1
393.67C7V-FFuel - Missing/improper filler cap1× SW 1
393.60(d)Windshield / Windows - Tinting permits less than 70% of light transmittance1× SW 1
393.60(c)Windshield - Damaged or Discolored1× SW 1

Hours of Service 9

395.30E-ELDMCCDHOS (ELD) - Motor carrier coerced a driver to make a false certification of the driver's data entries or record of duty status.1× SW 7
395.8E-HOSPDHOS (Property) - No driver may make a false report in connection with a duty status. Explain1× SW 7
395.24C2II-ELDTNHOS (ELD) - Driver failing to manually input or verify CMV trailer number.5× SW 1
395.24HOS (ELD) - ELD Form and Manner3× SW 1
395.30B1-ELDDFRHOS (ELD) - Driver failing to review records and certify the accuracy of the information.3× SW 1
395.24C2III-ELDSDNHOS (ELD) - Driver failing to manually input or verify shipping document number.2× SW 1
395.24C2IIIDriver failed to manually add shipping document number1× SW 1
395.22H4-ELDBRODSHOS (ELD) - In-Vehicle Information - Failing to have a supply of blank driver's records of duty status graph-grids sufficient to record the driver's duty status and other related information for a minimum of 8 days.1× SW 1
395.30B1Driver failed to certify the accuracy of the information gathered by the ELD1× SW 1

Driver Fitness 1

383.51A-NSOUTDriving a CMV while CDL is suspended for a non-safety-related reason and outside the state of driver's license issuance1× SW 1

Locations

Physical Address

MOUNTAIN LINE INC
1948 EDGAR ST
ROCK SPRINGS, WY 82901

Mailing Address

Same as physical.

Location on Map

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MOUNTAIN LINE INC

About this carrier

Carrier Details

Authority & Operations

Cargo Authorized

Operating Territory

Crashes (24 mo)

Behavior Categories (BASICs)

Inspection Summary

Violations Cited 100 unique codes

Critical 29

Unsafe Driving 8

Vehicle Maintenance 53

Hours of Service 9

Driver Fitness 1

Locations

Location on Map

Latest from Carrier Atlas Freight Intelligence

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Old Dominion Tonnage Up 1.6% in September After Two Years Down

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Paccar Suppliers Miss Q3 Delivery Targets as Truck Orders Climb

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Missouri raises interstate speed limits to 75 mph near Iowa, Arkansas

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Wyoming Requires Self-Certified Safety Training for Teton Pass Trucks

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Knight-Swift CEO targets double-digit rate hikes for 2027 contracts