R. H. HUMMER, JR., INC.

Authority active

USDOT 341659 · MC171214 · WILLIAMSBURG, IA

R. H. HUMMER, JR., INC. (USDOT 341659, MC MC171214) is a motor carrier based in WILLIAMSBURG, IA. This page provides comprehensive safety information, inspection history, authority status, and compliance data for R. H. HUMMER, JR., INC..

Quick Facts

Legal Name:: R. H. HUMMER, JR., INC.
USDOT Number:: 341659
MC Number:: MC171214
Authority Status:: Active
Power Units:: 27
Location:: WILLIAMSBURG, IA

Insurance filing

Unknown

USDOT registration

USDOT active

Fleet size

27 power units

21 drivers

Safety record

Rolling 24 months

inspections

with violations

violations

10%

vehicle out of service

driver out of service

FMCSA safety scores through Jun 2026

Unsafe driving
20.5%

worse than 20% of 28,371 similar carriers
Hours of service
19.1%

worse than 19% of 14,067 similar carriers
Vehicle maintenance
64.2%

worse than 64% of 51,399 similar carriers
Driver fitness
1 of 24 with violations
Controlled substances
No violations

Recent inspections

Jul 8, 2026NET325001202Violations recorded1 violation

Jun 25, 2026IA520H000061Vehicle placed out of serviceOut of service

Jun 24, 2026IA205S000113Violations recorded1 violation

Apr 16, 2026IA000P13X6KPViolations recorded3 violations

Operating profile

DOT Company Census · updated Aug 14, 2026

Operation

Classification

AUTHORIZED FOR HIRE

Registered

Jan 26, 1989

MCS-150 mileage

1,290,000 mi

Mileage year

2024

Reported cargo

No cargo classifications reported.