Duncan & Son Lines Inc

Interstate
checkmarkAuthorized for Hire

Company Details

MC#
144606
Entity Type
Carrier
Fleet Size
259 units
Drivers
231 total

Contact Information

Phone
(623) 386-4511

Operation Summary

Operating Status
Active
Carrier Operation
Interstate
Operation Classification
Authorized for Hire
Cargo Carried
General Freight, Building Materials, Intermodal, Grain/Feed, Chemicals, Cold Food, Paper Products
Annual Mileage
23,801,483 miles (2025) as of Feb 10, 2026

Insurance Coverage

Insurance Type
BI&PD (Primary)
Company Name
National Interstate Insurance Company
Policy Limit
$1,000,000
Policy Number
DUN 8199969-01
Effective Date
Sep 15, 2021

Physical Address

23860 W US HWY 85
BUCKEYE, AZ 85326
US

Mailing Address

23860 W US HWY 85
BUCKEYE, AZ 85326
US

Fleet Details

Vehicle TypesOwnedTerm LeasedTrip Leased
Truck Tractors02590
Trailers003,000

Safety Violations

TotalSevereOut of Service
Measure
Percentile
Vehicle Maintenance1192001.660.00%
Unsafe Driving491701.210.00%
HOS Compliance391500.420.00%
Driver Fitness3200.090.00%
Controlled Substances00000.00%

Accident Reports

Results for 24 months prior to Mar 5, 2026

Last 6 Months6-12 Months ago12-24 Months agoTotal
Fatalities0000
Injuries2136
Tow-away3249
Crash Reports53715

Inspections

Results for 24 months prior to Mar 5, 2026

DriverVehicleHazmatIEP
Inspections32626500
OOS Inspections42600
OOS Percentage1.23%9.81%0.00%0.00%
National Average
as of Feb 6, 2026
6.67%22.26%4.44%N/A

Insurance

Insurance TypeInsurance RequiredInsurance on File
BI&PD (Primary)$0$1,000,000

Safety Rating

Rating Date
Oct 13, 2010
Rating
Satisfactory
Review Date
Oct 7, 2010
Type
Compliance Review

The carrier profiles listed on this page are compiled by Hey Bubba! based on publicly available data from the Federal Motor Carrier Safety Administration (FMCSA), including sources such as SAFER Web and the FMCSA's Safety Measurement System (SMS). While we strive to provide accurate and up-to-date information, Hey Bubba! does not guarantee the completeness, accuracy, or timeliness of the data presented. Users are advised to verify any critical information directly with the FMCSA or the carrier in question. Hey Bubba! assumes no legal liability or responsibility for any errors, omissions, or outcomes resulting from the use of this information.

DUNCAN & SON LINES INC | USDOT 44035 | MC 144606 | 6233864511 | Buckeye, AZ