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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

GLENN O HAWBAKER INC

  • 480924
  • 374
  • 545
  • 176

Safety Rating & OOS Rates AND Licensing and Insurance

As part of FMCSA’s IT modernization strategy, we are merging our data platforms to make it easier for you to find the information you need. For safety rating, Out-of-Service (OOS) rates, and licensing and insurance information, visit Motus, the FMCSA Registration and Management system.

Vehicle Maintenance

More Info

On-Road Performance

1.49 How is the measure calculated?

Safety Event Group: 21-100 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
  • Nov 28
  • Dec 26
  • Jan 30
  • Feb 27
  • Mar 27
  • Apr 24
  • 2025
  • 2025
  • 2026
  • 2026
  • 2026
  • 2026
  Nov 28 2025 Dec 26 2025 Jan 30 2026 Feb 27 2026 Mar 27 2026 Apr 24 2026
Measure 1.70 1.68 1.64 1.67 1.51 1.49
Measure 0 0 0 0 0 0

Violation Summary

Vehicle Maint. Violations: 39

Violations Description # Violations # OOS Violations Violation Severity Weight
393.45B2-B-AIR Air Brake - Hose/tubing damaged or not secured 4 0 4
393.47(e) Brake Out of Adjustment - Roto, Clamp (Short & Long), DD-3, or Bolt 3 0 4
393.100B-C Cargo - Cargo not secured to prevent leaking/spilling/blowing/falling from CMV 2 2 7
393.11A1-LLPL Lighting - License plate lamp missing 2 0 2
393.41-BNPB Brake - Inoperative or missing parking brake on power unit 2 2 4
393.45(b)(2) Brake hose or tubing chafing and/or kinking 2 0 4
393.53(b) CMV manufactured after 10/19/94 has an automatic airbrake adjustment system that fails to compensate for wear 2 0 4
393.9 Inoperable Required Lamp 2 0 2
393.9A-LIL Lighting - Identification lamp(s) inoperative 2 0 2
393.9A-LLPL Lighting - License plate lamp inoperative 2 0 2
396.3A1-ALBV Air Brake - Any leak from a brake valve 2 0 4
396.5B-L Lubrication - Oil or grease leak 2 0 3
392.2WC Wheel (Mud) Flaps missing or defective 1 0 1
393.11A1-LIL Lighting - Identification lamp(s) missing 1 0 2
393.45B2-BHTD Air Brake - Hose/tubing damage into the outer reinforcement ply. 1 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. 1 0 4
393.75(a) Flat tire or fabric exposed 1 1 8
393.9(a) Inoperative Brake Lamps 1 1 6
393.9A-LBL Lighting - Backup lamp inoperative 1 0 6
393.9A-LTSIR Lighting - Turn signal -Any inoperative on a unit that is not the rearmost unit 1 0 6
396.17C-PI Operating a CMV without documentation of a periodic inspection 1 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 1 1 0
396.3A1-AASGMD-L6 Any of the slider-guide/hold-down brackets are missing or disengaged. 1 0 3
396.3A1B Brakes (general) Explain: 1 0 4

Inspection History

Vehicle Inspections: 93

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 158 169 253
TotW TiW
=
253 169
= 1.49
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.

  • 176
    • 136
    • 40
  • : 10

*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 merging our data platforms to make it easier for you to find the information you need. For safety rating, Out-of-Service (OOS) rates, and licensing and insurance information, visit Motus, the FMCSA Registration and Management system.

Enforcement Cases

(Six years as of 05/22/2026 updated monthly from FMCSA )

No penalties found

Tools/Resources

SMS Methodology How to Improve Request a Data Review
For U.S. DOT# 480924
Complete SMS Profile Carrier History Downloads