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FMCSA - Federal Motor Carrier Safety Adminstration

CSA - Compliance, Safety, Accountability

Working Together for Safety.


SMS - Safety Measurement System SMS - Safety Measurement System

BED ROCK INC

TRI STATE MOTOR TRANSIT CO

  • 1007292
  • 8141 E 7TH STREET
    JOPLIN, MO 64801
  • 450
  • 630
  • 1,251

Safety Rating & OOS Rates AND Licensing and Insurance

As part of FMCSA’s IT modernization strategy, we are in the process of merging our data platforms to make it easier for you to find the information you need. During this transition, please refer to the links below for additional information about this carrier.

Vehicle Maintenance

More Info

On-Road Performance

1.66 How is the measure calculated?

Safety Event Group: 501+ relevant vehicle inspections

Investigation Results

No Acute/Critical Violations Discovered

Expand Graph

Carrier Measure Over Time

  • Trends

This graph displays a carrier’s measure based on 24 months of on-road performance. Zero indicates the best performance. To see how the measure is calculated click here. To see how the measure relates to percentile click here. Expand for more information.

  • 4
  • 3
  • 2
  • 1
  • 0
  • -1
  • Feb 27
  • Mar 27
  • Apr 24
  • May 15
  • Jun 26
  • Jul 31
  • 2026
  • 2026
  • 2026
  • 2026
  • 2026
  • 2026
  Feb 27 2026 Mar 27 2026 Apr 24 2026 May 15 2026 Jun 26 2026 Jul 31 2026
Measure 1.70 1.69 1.67 1.68 1.68 1.66
Measure 0 0 0 0 0 0

Violation Summary

Vehicle Maint. Violations: 317

Violations Description # Violations # OOS Violations Violation Severity Weight
393.75A3-TAOL Tires - All others, leaking or inflation less than 50% of the maximum inflation pressure on tire not equipped with ATIS 38 38 8
393.55E-B Air Brake - ABS malfunction lamp defective on trailers manufactured on or after March 1, 1998 23 0 4
393.45B2-B-AIR Air Brake - Hose/tubing damaged or not secured 22 1 4
393.45D-B Air Brake - Audible air leak at a proper connection 15 1 4
393.47(e) Brake Out of Adjustment - Roto, Clamp (Short & Long), DD-3, or Bolt 9 0 4
393.45B2-BHTD Air Brake - Hose/tubing damage into the outer reinforcement ply. 8 7 4
393.53B-B Air Brake - CMV manufactured on or after 10/20/1994 has an automatic airbrake adjustment system that fails to compensate for wear 8 0 4
393.75(a)(3) Tire-flat and/or audible air leak 8 8 8
393.9A-LIL Lighting - Identification lamp(s) inoperative 8 0 2
393.11A1-CSLRR Conspicuity Systems - Truck tractor, lower rear retro reflective sheeting missing on vehicle manufactured on or after July 1, 1997 7 0 3
393.9 Inoperable Required Lamp 7 1 2
393.48A-BIBD Drum Brake - Inoperative other than a steering axle 4 0 4
393.9A-LRLI Lighting - Tail lamp - Any inoperative 4 0 6
396.3(a)1BOS Brake - Defective brake(s) are equal to or greater than 20% of the service brakes on the vehicle/combination 4 4 0
396.5(b) Oil and/or grease leak 4 0 3
393.11A1-CSURR Conspicuity Systems - Truck tractor, upper rear retro reflective sheeting missing on vehicle manufactured on or after July 1, 1997 3 0 3
393.45B2PC Brake Hose or Tubing Chafing and/or Kinking - Connection to Power Unit 3 2 4
393.45D-BAAL Air Brake - Audible air leak at other than a proper connection 3 3 4
393.60(d) Windshield / Windows - Tinting permits less than 70% of light transmittance 3 0 1
393.75(a) Flat tire or fabric exposed 3 3 8
393.75A3-TAOLTIS Tires - All others, leaking in tread area and inflation less than 50% of the maximum inflation pressure on tire equipped with ATIS 3 3 8
393.75A3-TFL Tires - Front, leaking or inflation 50% or less than of the maximum inflation pressure 3 3 8
393.75C-TAOTD-LT2/32 Tires - Less than 2/32 inch tread depth 3 0 8
393.78A-WS Washers - Inoperative washing system. 3 0 1
393.95A4-EEUS Emergency Equipment - Fire Extinguishers - unsecured 3 0 2
393.9A-LHWS Lighting - Hazard warning signal(s) inoperative 3 0 6
393.9A-LTSI Lighting - Turn signal - Any inoperative on the rearmost vehicle. 3 3 6
396.3A1-BALAC Brake - Audible air leak from a brake chamber 3 0 4
396.5B-HWSL Hubs - Wheel seal leaking 3 3 2
392.2-SLLMF State/Local Laws - Wheel (mud) flaps missing or defective 2 0 1
393.11A1-LCHL Lighting - Lamps improper color, height, location. 2 0 6
393.130C-CHVE Heavy Vehicles/Equipment - Improper securement of heavy vehicles, equipment or machinery with crawler tracks or wheels 2 2 7
393.207A-SAPPAS Suspension - Axle positioning part cracked/broken/loose/missing resulting in axle shift 2 2 7
393.209(e) Power steering violations 2 0 6
393.45(b)(2) Brake hose or tubing chafing and/or kinking 2 1 4
393.45B2UV Brake Hose or Tubing Chafing and/or Kinking Under Vehicle 2 1 4
393.45DLUV Brake Connections with Leaks Under Vehicle 2 0 4
393.55(e) No or Defective ABS Malfunction Indicator Lamp for trailer manufactured after 03/01/1998 2 0 4
393.55C2-B Air 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 0 4
393.60(c) Windshield - Damaged or Discolored 2 0 1
393.60E Windshield - Obstructed 2 0 1
393.78 Wipers - Inoperative / missing / damaged wipers 2 0 1
393.9A-LBL Lighting - Backup lamp inoperative 2 0 6
393.9A-LCL Lighting - Clearance lamp(s) inoperative 2 0 2
393.9A-LFTSI Lighting - Front - Turn signal - inoperative 2 0 6
393.9A-LSLI Lighting - Stop lamps - Any inoperative. 2 0 6
393.9A-LSLIWR Lighting - Stop lamps - Both inoperative when required to be on 2 2 6
393.9A-LTSIR Lighting - Turn signal -Any inoperative on a unit that is not the rearmost unit 2 0 6
393.9B-LRLIWR Lighting - Tail lamp - Both lamps on rearmost vehicle inoperative when required to be on 2 2 6
393.9T Inoperable tail lamp 2 0 6
393.9TS Inoperative turn signal 2 0 6
396.3A1-ALBV Air Brake - Any leak from a brake valve 2 0 4
396.3A1B Brakes (general) Explain: 2 0 4
396.9D2-FTF Failing to correct the violation(s)/defect(s) noted on the roadside inspection report 2 0 4
392.9(a) Failing to secure load 1 1 1
392.9A2-C Cargo - Vehicle components or dunnage not secured 1 1 1
393.100C-C Cargo - Cargo not secured against shifting 1 0 1
393.11 No or defective lighting devices or reflective material as required 1 1 3
393.110B2I-C Cargo - Insufficient tiedowns (w/o headerboard/blocking) for article(s) of cargo 5 feet or less and more than 1,100 lbs 1 1 3
393.11A1-L Lighting - Lamps improper color. 1 0 6
393.11B-CSURR Conspicuity Systems - Trailers, upper rear retro reflective sheeting inadequate on vehicle manufactured on or after December 1, 1993 1 0 3
393.11TL Truck-Tractor lower rear mud flaps retroreflective sheeting / reflex reflective material requirements for vehicles manufactured after July 1997 1 0 3
393.11UR Upper Rear retroreflective sheeting or reflex reflecting material requirements for vehicles manufactured after December 1993 1 0 3
393.205A-WRC Wheel/Rim - Rim, spoke wheel, or adapter cracked 1 0 2
393.205C-WRAWFLMIB Wheel/Rim - Any wheel fasteners loose/missing/ineffective/broken. 1 0 2
393.207F-SASMD Suspension - Air spring/bag is missing or is detached at the top or bottom. 1 1 7
393.207F-SLAS Suspension - Leaking 3 PSI in 5 minutes 1 0 7
393.43A-TPV Air Brake - Inoperable or missing tractor protection valve 1 1 4
393.45B2-B Air brake - Hose/tubing damaged or not secured 1 0 4
393.45C-BSG Air Brake - Missing or inadequate Nonmetallic tubing spring guard 1 0 4
393.45D-SGNCNB Brakes - Service brakes on trailer inoperative due to no trailer connection or air shut off 1 1 4
393.45DLPC Brake Connections with Leaks - Connection to Power Unit 1 0 4
393.45PC Brake Tubing and Hose Adequacy - Connections to Power Unit 1 1 4
393.47A-BCFSAD Air Disc Brake - Contaminated friction surface 1 0 4
393.47A-BCFSBD-SA Drum Brake - Contaminated friction surface on a steering axle 1 1 4
393.47A-BSF Brake - Malfunction causing smoke or fire to emit from the wheel end 1 1 4
393.47C-BSAMBD Drum Brake - Slack adjuster length mismatched on the same axle other than a steering axle 1 0 4
393.47F-B Brake - Wedge type brake(s) out-of-adjustment 1 0 4
393.48(a) Inoperative/defective brakes 1 0 4
393.48A-BI-SA Brake - Inoperative on a steering axle 1 1 4
393.51C-BLPW Air Brake - Low pressure warning device missing/inoperative 1 1 4
393.53(b) CMV manufactured after 10/19/94 has an automatic airbrake adjustment system that fails to compensate for wear 1 0 4
393.55C1-B Air 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 0 4
393.55D1-B Air Brake - ABS malfunction lamp defective on truck-tractor manufactured on or after March 1, 1997 and each single unit CMV on or after 1998. 1 0 4
393.55D3-B Air Brake - ABS malfunction, trailers manufactured after March 1, 2001 unable to transmit ABS malfunction signal to towing vehicle. 1 0 4
393.67C7V-F Fuel - Missing/improper filler cap 1 0 1
393.70B1I-CDFWFMI-LT20 Coupling - 20% or less of the fifth wheel fasteners on either side missing/ineffective 1 0 3
393.75A1-TEPBM Tires - All others - Exposed ply or belt material in tread or sidewall area 1 0 8
393.75B-TFV Tires - Front, less than 4/32 inch tread depth 1 0 8
393.75C-OOS Tire-other tread depth less than 1/32 of inch measured in 2 adjacent major tread grooves 3 separate locations 8 inches apart 1 1 8
393.79 Defroster/Defogger - Inoperative or defective 1 0 1
393.83(g) Exhaust - Discharging at a point forward or directly below the driver or sleeper compartment 1 0 1
393.95(b) Emergency Equipment - A power unit requiring fuses - missing a spare fuse for a required part or accessory (e.g., lamps required by 393.11, ABS lights or low air warning light). 1 0 2
393.95(f) Emergency Equipment - Stopped vehicle warning devices missing or improper 1 0 2
393.95A1 Emergency Equipment - Fire Extinguishers - no fire extinguisher present or not properly rated. 1 0 2
393.95A4-EENA Emergency Equipment - Fire Extinguishers - not readily accessible or filled 1 0 2
393.9A-LHLI Lighting - Headlamp(s) - Any inoperative 1 0 6
393.9A-LLPL Lighting - License plate lamp inoperative 1 0 2
393.9A-LSML Lighting - Side marker lamp(s) inoperative 1 0 2
393.9B-LRLOWR Lighting - Tail lamp - Both lamps on rearmost vehicle obscured when required to be on 1 1 6
396.17C-PI Operating a CMV without documentation of a periodic inspection 1 0 4
396.3(a)(1) Inspection, repair and maintenance of parts and accessories 1 0 2
396.3A1-ALATR Air Brake - Any leak from an air tank reservoir. 1 0 4
396.3A1-BALR Air Brake - Fails air loss rate test 1 1 4
396.3A1-F Fuel - Dripping leak. 1 1 3
396.3A1-OAL Other - Any air leak not attributed to the brake or suspension system. 1 0 4
396.3A1DLDSYEL Driveline/Driveshaft - Any yoke-mounting hardware loose (with hand pressure), broken or missing 1 1 3
396.3A1T Tires (general) 1 0 8
396.5B-HWSLIW Hubs - Wheel seal leaking - inner wheel 1 0 2
396.5B-L Lubrication - Oil or grease leak 1 0 3

Inspection History

Vehicle Inspections: 939

Please select to view your Inspection History. You can also sort your data by Date, Report Number, Vehicle Type, etc.

(or)
Report Vehicle Measure = Sum of the Total Weight (TotW) Sum of the Time Weight (TiW)
Inspection Date Number State Plate Number Plate State Type Severity Weight
(SW)
Time Weight
(TiW)
Total Weight
(TotW)
Sum of measure weights Sum of measure weights 1,647 1,686 2,805
TotW TiW
=
2,805 1,686
= 1.66
More Info

*** The sum of all violation severity weights (violation weight + out-of-service) for this inspection has been capped at 30.

Investigation Results

Vehicle Maint. Acute/Critical Violations: 0

This carrier has no Vehicle Maintenance Acute/Critical Violations to display.

Summary of Activities

The summary includes information on the 5 most recent investigations and 24 months of inspections and crash history.

  • 10/16/2024 (Non-Ratable Review)
  • 1,251
    • 894
    • 357
  • : 37

*Crashes listed represent a motor carrier’s involvement in reportable crashes, regardless of the carrier’s or driver’s role in the crash. Continue for details.

Continue for more Crash, Inspection & Investigation Details

Inspection Selection System

As part of FMCSA’s IT modernization strategy, we are in the process of merging our data platforms to make it easier for you to find the information you need. During this transition, please refer to the links below for additional information about this carrier.

Enforcement Cases

(Six years as of 08/17/2026 updated monthly from FMCSA )

Tools/Resources

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