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DUNCAN & SON LINES INC Logo
DUNCAN & SON LINES INC
BUCKEYE, AZ 06/01/1974 47 years, 8 months
DOT 44035
MC 144606
MOTUS
Carrier, Broker
Interstate
259 Power Units
231 Drivers
Current as of today
Active · 259 power units · 231 drivers · Buckeye, AZ
2026
Feb 10, 2026
MCS-150 biennial update filed
Reported mileage: 23,801,483 (2025) Reported power units: 270 → 259 Reported drivers: 226 → 231 Reported trailers: 3,000
2025
May 2025
Email changed
julie@duncanandson.com → julie@duncantruckingltd.com
Feb 18, 2025
MCS-150 biennial update filed
Reported mileage: 24,234,554 (2024) Reported power units: 287 → 270 Reported drivers: 240 → 226 Reported trailers: 3,000
2024
Nov 2024
Legal name changed
DUNCAN & SON LINES → DUNCAN & SON LINES INC
Apr 26, 2024
MCS-150 biennial update filed
Reported mileage: 24,683,717 (2023) Reported power units: 354 → 287 Reported drivers: 258 → 240
2023
Feb 8, 2023
MCS-150 biennial update filed
Reported mileage: 24,979,096 (2022) Reported power units: 267 → 354 Reported drivers: 230 → 258
2022
Mar 3, 2022
MCS-150 biennial update filed
Reported mileage: 23,497,739 (2021) Reported power units: 291 → 267 Reported drivers: 242 → 230
2021
Nov 2021
Legal name changed
DUNCAN & SON LINES INC → DUNCAN & SON LINES
Oct 25, 2021
Insurance cancelled with National Interstate Insurance Company
Form 91X, $1,000,000 coverage
Sep 21, 2021
Involuntary revocation
Contract authority (MC144606)
Sep 21, 2021
Involuntary revocation
Common authority (MC144606)
Sep 17, 2021
Discontinued revocation
Contract authority (MC144606)
Sep 17, 2021
Discontinued revocation
Common authority (MC144606)
Sep 15, 2021
Insurance cancelled with National Interstate Insurance Company
Form 91X, $1,000,000 coverage
Sep 14, 2021
MCS-150 biennial update filed
Reported mileage: 25,492,709 (2020) Reported power units: 291 Reported drivers: 242
Mar 15, 2021
MCS-150 biennial update filed
Reported mileage: 25,492,709 (2020) Reported power units: 291 Reported drivers: 242
2020
Dec 31, 2020
Insurance filed with National Interstate Insurance Company (2 policies)
Form 91X, $1,000,000 coverage
Dec 31, 2020
Insurance cancelled with National Interstate Insurance Company
Form 91X, $1,000,000 coverage
2018
Oct 1, 2018
Insurance cancelled with National Interstate Insurance Company
Form 91X, $1,000,000 coverage
Oct 1, 2018
Insurance filed with National Interstate Insurance Company
Form 91X, $1,000,000 coverage
2015
Nov 7, 2015
Insurance cancelled with National Interstate Insurance Company
Form 34
2014
Oct 1, 2014
Insurance cancelled with National Interstate Insurance Company
Form 91X, $1,000,000 coverage
Oct 1, 2014
Insurance filed with National Interstate Insurance Company
Form 91X, $1,000,000 coverage
2013
May 22, 2013
Revoked
Property broker authority (MC144606)
May 16, 2013
Insurance cancelled with Merchants Bonding Company ( Mutual)
Form 84
2011
Jan 1, 2011
Insurance filed with National Interstate Insurance Company
Form 91X, $1,000,000 coverage
Jan 1, 2011
Insurance cancelled with National Interstate Insurance Company
Form 91X, $1,000,000 coverage
Jan 1, 2011
Insurance cancelled with Max Specialty Insurance Company
Form 34
Jan 1, 2011
Insurance filed with National Interstate Insurance Company
Form 34
2010
Oct 13, 2010
Safety rating: Satisfactory
2008
Mar 1, 2008
Insurance cancelled with Hartford Fire Insurance Company
Form 34
Mar 1, 2008
Insurance filed with Max Specialty Insurance Company
Form 34
2006
Sep 5, 2006
Discontinued revocation
Contract authority (MC144606)
Sep 5, 2006
Discontinued revocation
Common authority (MC144606)
Sep 1, 2006
Insurance filed with National Interstate Insurance Company (2 policies)
Form 91X, $1,000,000 coverage
Sep 1, 2006
Insurance cancelled with National Interstate Insurance Company
Form 91X, $1,000,000 coverage
Sep 1, 2006
Insurance cancelled with Canal Insurance Co.
Form 91X, $750,000 coverage
Aug 12, 2006
Insurance cancelled with Canal Insurance Co.
Form 91X, $750,000 coverage
Aug 7, 2006
Involuntary revocation
Contract authority (MC144606)
Aug 7, 2006
Involuntary revocation
Common authority (MC144606)
Jul 18, 2006
Discontinued revocation
Contract authority (MC144606)
Jul 18, 2006
Discontinued revocation
Common authority (MC144606)
Jul 17, 2006
Involuntary revocation
Contract authority (MC144606)
Jul 17, 2006
Involuntary revocation
Common authority (MC144606)
Jul 17, 2006
Insurance filed with Canal Insurance Co.
Form 91X, $750,000 coverage
Jul 17, 2006
Insurance cancelled with Canal Insurance Co.
Form 91X, $750,000 coverage
Mar 1, 2006
Insurance filed with Hartford Fire Insurance Company
Form 34
Mar 1, 2006
Insurance cancelled with National Farmers Union Prop. and Cas. Co.
Form 34
2005
Sep 8, 2005
Reinstated
Motor property contract carrier authority (MC144606)
Sep 8, 2005
Reinstated
Motor property common carrier authority (MC144606)
Sep 7, 2005
Revoked
Motor property contract carrier authority (MC144606)
Sep 7, 2005
Revoked
Motor property common carrier authority (MC144606)
Sep 1, 2005
Insurance cancelled with Canal Insurance Co.
Form 91X, $1,000,000 coverage
Sep 1, 2005
Insurance filed with Canal Insurance Co. (2 policies)
Form 91X, $750,000 coverage
Mar 16, 2005
Reinstated
Motor property common carrier authority (MC144606)
Mar 7, 2005
Revoked
Motor property common carrier authority (MC144606)
Mar 1, 2005
Insurance cancelled with Underwriters at Lloyds London
Form 34
Mar 1, 2005
Insurance filed with National Farmers Union Prop. and Cas. Co.
Form 34
2004
Dec 16, 2004
Insurance cancelled with Canal Insurance Co.
Form 91X, $1,000,000 coverage
Nov 15, 2004
Insurance filed with Canal Insurance Co.
Form 91X, $1,000,000 coverage
Nov 15, 2004
Insurance cancelled with Canal Insurance Co.
Form 91X, $1,000,000 coverage
Sep 8, 2004
Discontinued revocation
Contract authority (MC144606)
Sep 8, 2004
Discontinued revocation
Common authority (MC144606)
Sep 1, 2004
Insurance cancelled with Canal Insurance Co.
Form 91X, $1,000,000 coverage
Sep 1, 2004
Insurance filed with Canal Insurance Co. (2 policies)
Form 91X, $1,000,000 coverage
Aug 5, 2004
Involuntary revocation
Contract authority (MC144606)
Aug 5, 2004
Involuntary revocation
Common authority (MC144606)
Apr 9, 2004
Insurance cancelled with Underwriters at Lloyds London
Form 34
Mar 31, 2004
Discontinued revocation
Common authority (MC144606)
Mar 15, 2004
Involuntary revocation
Common authority (MC144606)
Feb 29, 2004
Insurance cancelled with Underwriters at Lloyds London
Form 34
Feb 29, 2004
Insurance filed with Underwriters at Lloyds London
Form 34
2003
Nov 6, 2003
Discontinued revocation
Common authority (MC144606)
Sep 26, 2003
Involuntary revocation
Common authority (MC144606)
Sep 1, 2003
Insurance filed with Canal Insurance Co.
Form 91X, $1,000,000 coverage
Sep 1, 2003
Insurance cancelled with Wilshire Insurance Company
Form 91X, $1,000,000 coverage
Sep 1, 2003
Insurance cancelled with Wilshire Insurance Company
Form 34
Sep 1, 2003
Insurance filed with Underwriters at Lloyds London (2 policies)
Form 34
2002
Sep 1, 2002
Insurance cancelled with Wilshire Insurance Company
Form 34
Sep 1, 2002
Insurance cancelled with Wilshire Insurance Company
Form 91X, $1,000,000 coverage
Sep 1, 2002
Insurance filed with Wilshire Insurance Company
Form 91X, $1,000,000 coverage
Sep 1, 2002
Insurance filed with Wilshire Insurance Company
Form 34
1995
Oct 25, 1995
Discontinued revocation
Contract authority (MC144606)
Oct 25, 1995
Discontinued revocation
Common authority (MC144606)
Sep 3, 1995
Involuntary revocation
Contract authority (MC144606)
Sep 3, 1995
Involuntary revocation
Common authority (MC144606)
Sep 1, 1995
Insurance filed with Wilshire Insurance Company
Form 34
Sep 1, 1995
Insurance filed with Wilshire Insurance Company
Form 91X, $1,000,000 coverage
Sep 1, 1995
Insurance cancelled with Great West Casualty Co.
Form 34
Sep 1, 1995
Insurance cancelled with Great West Casualty Co.
Form 91X, $1,000,000 coverage
1991
Jun 24, 1991
Discontinued revocation
Broker authority (MC144606)
Apr 25, 1991
Involuntary revocation
Broker authority (MC144606)
1990
Sep 11, 1990
Insurance filed with Great West Casualty Co.
Form 34
Sep 11, 1990
Insurance filed with Great West Casualty Co.
Form 91X, $1,000,000 coverage
1987
Oct 16, 1987
Discontinued revocation
Contract authority (MC144606)
Oct 14, 1987
Discontinued revocation
Common authority (MC144606)
Sep 14, 1987
Involuntary revocation
Contract authority (MC144606)
Sep 14, 1987
Involuntary revocation
Common authority (MC144606)
1986
Jun 19, 1986
Granted
Motor property contract carrier authority (MC144606)
Feb 28, 1986
Granted
Property broker authority (MC144606)
Jan 16, 1986
Insurance filed with Merchants Bonding Company ( Mutual)
Form 84
1984
Jul 31, 1984
Revoked
Motor property contract carrier authority (MC144606)
Jul 31, 1984
Revoked
Motor property common carrier authority (MC144606)
Jul 11, 1984
Granted
Motor property common carrier authority (MC144606)
1983
Jul 22, 1983
Granted
Motor property common carrier authority (MC144606)
1982
Apr 28, 1982
Granted
Motor property common carrier authority (MC144606)
Jan 29, 1982
Superseded
Motor property common carrier authority (MC144606)
Jan 29, 1982
Granted
Motor property common carrier authority (MC144606)
1981
Oct 22, 1981
Granted
Motor property common carrier authority (MC144606)
Oct 1, 1981
Granted
Motor property common carrier authority (MC144606)
Aug 28, 1981
Granted
Motor property contract carrier authority (MC144606)
Aug 14, 1981
Granted
Motor property common carrier authority (MC144606)
Aug 12, 1981
Granted
Motor property common carrier authority (MC144606)
Mar 12, 1981
Granted
Motor property common carrier authority (MC144606)
Mar 10, 1981
Granted
Motor property common carrier authority (MC144606)
Feb 13, 1981
Granted
Motor property common carrier authority (MC144606)
Feb 9, 1981
Granted
Motor property common carrier authority (MC144606)
Jan 26, 1981
Granted
Motor property common carrier authority (MC144606)
Jan 21, 1981
Granted
Motor property common carrier authority (MC144606)
1979
Jan 17, 1979
Granted
Motor property common carrier authority (MC144606)

FMCSA electronic records for this carrier begin before June 1974; the carrier may be older.