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MCMAHON TRANSPORT GROUP LLC

Carrierintel Safety Score: 64/100. 55 inspection violations in 12 months. Last inspected Sep 2026.

DOT 693463MC 321870ActiveMotor CarrierInterstateGreat West Casualty Co +1LOCKPORT, IL

COMPANY

Authority since
1997-07-28
MCS-150
2025-07-22 · 4,400,000 mi (2025)
Fleet
67 units · — trailers · 123 drivers
Annual mileage (VMT)
4,400,000 mi (2025)

ADDRESS

Physical
14715 NEW AVENUE
LOCKPORT, IL 60441
Mailing
Same as physical

CONTACT

Phone
8158340000
Email
tom.dinaso@mcmahontransport.com

OFFICERS

Primary Officer
JOHN L. MCMAHON
Title
PRINCIPAL

OPERATION & CARGO

Operation classification
Authorized For Hire
Specialty
Tanker / Bulk Liquids
Cargo types
1
Liquids / Gases
Self-reported by the company on its latest MCS-150 filing (FMCSA census). Reflects what the carrier is authorized and equipped to haul, not actual recent loads. Specialty is our summary of the declared cargo mix.
AUTHORITY
351 mo
Active authority
INSURANCE
2 active
Great West Casualty Co
RISK GRADE
Moderate Risk
3 risk factors · 3 strengths
OOS RATE
10.4%
14 / 135 inspections

Carrierintel Safety Score

Rolling 12-month heuristic based on inspections, OOS, violations, crashes & fatalities. Not the official FMCSA SMS score.

64
out of 100
Fair
Markers: OOS inspection Crash Fatality

Fleet vs Reality

last 12 months · power-unit VINs from roadside inspections
Declared (MCS-150)
67 power units
Unique power units seen
24
+ 25 trailer VINs
+ 1 unclassified VINs
Inspections
34
Discrepancy
0.4x

Moderate Risk

3 risk factors · 3 strengths · 7 data points

SAFETY PERFORMANCE

Crash Record
79 crashes · 1 fatal · 32 with injuries · 73 tow-away
Clean Inspection Rate
90% — 121 clean of 135 inspections
Out-of-Service Rate
10.4% — driver OOS 2 insp., vehicle OOS 12 insp.

COMPLIANCE & AUTHORITY

USDOT Registration
Status: Active
Operating Authority
Active: Motor Carrier
Out-of-service orders
None on record
Authority Events
10 historical event(s) on file
MCS-150 Filing
Last filed 2025-07-22

INSURANCE

Active Coverage
2 policy(ies) on file · total max coverage $1,005,000

SUMMARY

Elevated OOS rate 14% (last 24 mo)
8.2 crashes per 100 trucks/yr — above norm
4 injury crashes in the last 24 months
90% clean inspections
Active insurance on file
Coverage $1.0M

INDUSTRY REPORTS

  • ELD Tampering — Carriers cited for ELD tampering under 49 CFR § 395.8(e), by carrier and state.
  • Top Violations — The ten most-cited FMCSA violation codes of the last 30 days.
  • Phantom Fleets — Declared power units against the vehicles seen at roadside inspections.
  • English Proficiency — Carriers whose drivers were cited under 49 CFR § 391.11(b)(2), by carrier and state.
  • Methodology — Where the data comes from and how the Safety Score and Risk Grade are built.

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