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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

ERIKA URSULA MAHL LOPEZ

UNIDOS TRANSPORT

  • 1791752
  • TEMAZCAL 17 AZULEJOS
    HERMOSILLO, SO 83224
  • 7
  • 7
  • 122

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

14.66 How is the measure calculated?

Safety Event Group: 101-500 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.

  • 20
  • 15
  • 10
  • 5
  • 0
  • -5
  • Jan 30
  • Feb 27
  • Mar 27
  • Apr 24
  • May 15
  • Jun 26
  • 2026
  • 2026
  • 2026
  • 2026
  • 2026
  • 2026
  Jan 30 2026 Feb 27 2026 Mar 27 2026 Apr 24 2026 May 15 2026 Jun 26 2026
Measure 15.56 15.56 15.61 15.17 14.85 14.66
Measure 0 0 0 0 0 0

Violation Summary

Vehicle Maint. Violations: 446

Violations Description # Violations # OOS Violations Violation Severity Weight
396.5B-L Lubrication - Oil or grease leak 36 0 3
393.55E-B Air Brake - ABS malfunction lamp defective on trailers manufactured on or after March 1, 1998 26 0 4
393.45B2-B-AIR Air Brake - Hose/tubing damaged or not secured 19 1 4
393.9A-LIL Lighting - Identification lamp(s) inoperative 17 0 2
396.17C-PI Operating a CMV without documentation of a periodic inspection 16 0 4
393.75A3-TAOL Tires - All others, leaking or inflation less than 50% of the maximum inflation pressure on tire not equipped with ATIS 14 14 8
393.83(g) Exhaust - Discharging at a point forward or directly below the driver or sleeper compartment 14 0 1
393.9A-LSML Lighting - Side marker lamp(s) inoperative 14 0 2
396.9D2-FTF Failing to correct the violation(s)/defect(s) noted on the roadside inspection report 14 0 4
393.47(e) Brake Out of Adjustment - Roto, Clamp (Short & Long), DD-3, or Bolt 13 0 4
393.9A-LCL Lighting - Clearance lamp(s) inoperative 13 0 2
393.9A-LLPL Lighting - License plate lamp inoperative 13 0 2
396.3A1-ALBV Air Brake - Any leak from a brake valve 13 0 4
393.48A-BLMACBD Drum Brake - Loose chamber/spider/camshaft support bracket 10 0 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 10 0 4
393.75C-TAOTD-LT2/32 Tires - Less than 2/32 inch tread depth 10 0 8
393.9A-LSLI Lighting - Stop lamps - Any inoperative. 10 0 6
393.45D-B Air Brake - Audible air leak at a proper connection 9 0 4
393.78A-WS Washers - Inoperative washing system. 8 0 1
393.201A-FRCLS Frame - Cracked/loose/sagging/broken frame or chassis 7 0 2
393.9A-LSLIWR Lighting - Stop lamps - Both inoperative when required to be on 6 6 6
396.3A1-BALAC Brake - Audible air leak from a brake chamber 6 0 4
393.207A-STCB Suspension - Suspension connecting rod or tracking component assembly (including spring leaves used as a suspension connecting rod) or any part used for attaching the same to the vehicle frame or axle is cracked, loose, broken or missing 5 5 7
393.45B2-B Air brake - Hose/tubing damaged or not secured 5 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. 5 0 4
396.3(a)1BOS Brake - Defective brake(s) are equal to or greater than 20% of the service brakes on the vehicle/combination 5 5 0
396.3A1-AASGMD-L6 Any of the slider-guide/hold-down brackets are missing or disengaged. 5 0 3
393.11A1-CSLRR Conspicuity Systems - Truck tractor, lower rear retro reflective sheeting missing on vehicle manufactured on or after July 1, 1997 4 0 3
393.19 Inoperative/Defective Hazard Warning Lamp 4 0 6
393.24C-L Lighting - Headlamp(s) improperly mounted 4 0 6
393.75B-TFV Tires - Front, less than 4/32 inch tread depth 4 0 8
393.9A-LHLI Lighting - Headlamp(s) - Any inoperative 4 0 6
393.9A-LRLI Lighting - Tail lamp - Any inoperative 4 0 6
393.11A1-LCHL Lighting - Lamps improper color, height, location. 3 0 6
393.11B-CSSRR Conspicuity Systems - Trailers, side retro reflective sheeting inadequate on vehicle manufactured on or after December 1, 1993 3 0 3
393.25A-L Lighting - Lamps (other than headlamps), not securely mounted 3 0 6
393.25E-L Lighting - Lamps (other than headlamps), not steady burning as required 3 0 6
393.45B2-BHTD Air Brake - Hose/tubing damage into the outer reinforcement ply. 3 3 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. 3 0 4
393.75A1-TEPBM Tires - All others - Exposed ply or belt material in tread or sidewall area 3 0 8
393.95(f) Emergency Equipment - Stopped vehicle warning devices missing or improper 3 0 2
393.9A-LBL Lighting - Backup lamp inoperative 3 0 6
393.9A-LHWS Lighting - Hazard warning signal(s) inoperative 3 0 6
396.3A1-DLDSUJBCB Driveline/Driveshaft - Any missing, broken or loose universal joint bearing cap bolt, bearing strap or retainer bolt 3 3 3
393.11A1-LCL Lighting - Clearance lamp(s) missing 2 0 2
393.11B-CSRIGRR Conspicuity Systems - Trailers, rear impact guard retro reflective sheeting inadequate on vehicle manufactured on or after December 1, 1993 2 0 3
393.11B-CSURR Conspicuity Systems - Trailers, upper rear retro reflective sheeting inadequate on vehicle manufactured on or after December 1, 1993 2 0 3
393.201A-FRSC Frame - Cracked siderail web around the radius into the bottom flange 2 2 2
393.203C-CBP Cab and Body Parts - Hood not securely fastened 2 0 2
393.209B-STWL Steering - Steering wheel lash (free play) exceeds regulatory limit 2 0 6
393.45D-BAAL Air Brake - Audible air leak at other than a proper connection 2 2 4
393.48A-BMBCBD Drum Brake - Missing/broken component(s) 2 0 4
393.55(c)(1) Truck Tractor manufactured on or after March 1, 1997 not equipped with an antilock brake system 2 0 4
393.55(c)(2) CMV other than truck-tractor manufactured on or after March 1, 1998 not equipped with an antilock brake system. 2 0 4
393.55D2-B Air Brake - ABS malfunction lamp defective on truck-tractor manufactured on or after March 1, 2001 for towed vehicle. 2 0 4
393.60(d) Windshield / Windows - Tinting permits less than 70% of light transmittance 2 0 1
393.95A4-EEUS Emergency Equipment - Fire Extinguishers - unsecured 2 0 2
393.9A-LFTSI Lighting - Front - Turn signal - inoperative 2 0 6
393.9A-LTSI Lighting - Turn signal - Any inoperative on the rearmost vehicle. 2 2 6
393.9A-LTSIR Lighting - Turn signal -Any inoperative on a unit that is not the rearmost unit 2 0 6
396.3A1-BALR Air Brake - Fails air loss rate test 2 2 4
396.3A1-F Fuel - Dripping leak. 2 2 3
392.9A2-C Cargo - Vehicle components or dunnage not secured 1 1 1
393.11A1-CSURR Conspicuity Systems - Truck tractor, upper rear retro reflective sheeting missing on vehicle manufactured on or after July 1, 1997 1 0 3
393.11A1-L Lighting - Lamps improper color. 1 0 6
393.11A1-LLPL Lighting - License plate lamp missing 1 0 2
393.11B-CSLRR Conspicuity Systems - Trailers, lower rear retro reflective sheeting inadequate on vehicle manufactured on or after December 1, 1993 1 0 3
393.13C2-CSLRR Conspicuity Systems - Trailers, lower rear retro reflective sheeting inadequate on vehicle manufactured before December 1, 1993 1 0 3
393.201B-FR Frame - Cab or body mounts loose/broken/missing 1 0 2
393.203A-CBP Cab and Body Parts - Door missing/broken 1 0 2
393.207A-SAPPCBLM Suspension - Axle positioning part cracked/broken/loose/missing. 1 0 7
393.207A-SUBL Suspension - U-bolt, u-bolt bottom plate, or other axle clamp bolt loose/cracked/broken/missing. 1 1 7
393.207B-AALPME Any of the locking pins are missing or not engaged. 1 0 7
393.209E-SPSLA Steering - Power steering leaking anywhere. 1 0 6
393.23-LEU Lighting - All electrical systems on towed vehicle(s) inoperative due to no electrical connection (e.g., unplugged or loose pigtail) 1 1 2
393.28-WS Wiring Systems - Copper wire exposed 1 0 3
393.30-B Battery - Not protected 1 0 3
393.43A-TSV Air Brake - Inoperable or missing trailer supply valve 1 1 4
393.45A-BHTIJ Air Brake - Improperly joined such as a splice made by sliding the hose ends over a piece of tubing and clamping the hose to the tube 1 1 4
393.45C-BSG Air Brake - Missing or inadequate Nonmetallic tubing spring guard 1 0 4
393.47C-BSAMBD Drum Brake - Slack adjuster length mismatched on the same axle other than a steering axle 1 0 4
393.48A-BIBD Drum Brake - Inoperative other than a steering axle 1 0 4
393.51C-BAPG Air Brake - Inoperative/defective primary or secondary pressure gauge 1 1 4
393.53BMAN Air Brake - CMV manufactured on or after 10/20/1994 is not equipped with automatic air brake adjusters 1 0 4
393.53C-B Air Brake - No brake adjustment indicator manufactured on or after October 20, 1994 1 0 4
393.78 Wipers - Inoperative / missing / damaged wipers 1 0 1
393.80A Rear-Vision Mirrors - Missing or defective 1 0 3
393.86B2-RIG Rear Impact Guards - All other CMV's, manufactured after December 31, 1952 inadequate construction/attachment 1 0 2
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
393.9B-LHLO Lighting - Headlamp(s) - Any obscured. 1 0 6
396.3A1-AALPHTS-L6 Any locking pin hole has torn or split material from the hole in use to an adjacent hole or from the hole in use to the edge of the rail 1 0 3
396.3A1-OAL Other - Any air leak not attributed to the brake or suspension system. 1 0 4

Inspection History

Vehicle Inspections: 102

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(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 1,584 152 2,229
TotW TiW
=
2,229 152
= 14.66
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.

  • 122
    • 21
    • 101
  • : 0

*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 08/08/2026 updated monthly from FMCSA )

No penalties found

Tools/Resources

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For U.S. DOT# 1791752
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