Southwest Interstate Transportation, Inc. USDOT 270551
Company Overview
Southwest Interstate Transportation, Inc. is an active DOT registered motor carrier operating under USDOT Number 270551 and MC Number 191270.
| Total Trucks | 17 | ||
| Tractors Owned | 2 | ||
| Trailer Owned | 21 | ||
| Total Drivers | 18 | ||
| USDOT | 270551 | ||
| MC Number | 191270 | ||
| MCS-150 Mileage Year | 2023 | ||
| MCS-150 Date | 14-FEB-25 | ||
| MCS-150 Mileage | 1339640 | ||
| Does Southwest Interstate Transportation, Inc. transport Hazardous Material? | No | ||
| Carrier Operation | Interstate | ||
| Southwest Interstate Transportation, Inc. in business since | 19860326 | ||
Company Contact Information
Southwest Interstate Transportation, Inc. 
3373 Fm 499 West
Cumby, TX 75433
Mailing Address:
Po Box 589
Cumby, TX 75433
903-994-2296
903-994-2187
3373 Fm 499 West
Cumby, TX 75433
Mailing Address:
Po Box 589
Cumby, TX 75433
903-994-2296
903-994-2187
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Southwest Interstate Transportation, Inc. Safety Measurement System Data
Last Updated Sep 2025| Total Number of Inspections for the measurement period (24 months) | 66 |
| Total Number of Driver Inspections for the measurment period | 66 |
| Total Number of Driver Inspections containing at least one Driver Out-of-Service Violation | 0 |
| Total Number of Vehicle Inspections for the measurement period | 53 |
| Total Number of Vehicle Inspections containing at least one Vehicle Out-of-Service violation | 10 |
| Southwest Interstate Transportation, Inc. Unsafe Truck Driving Data | |
| Number of inspections with at least one Unsafe Driving BASIC violation | 3 |
| Unsafe Driving BASIC Roadside Performance Measure Value | 1.66 |
| Unsafe Driving BASIC Acute/Critical Indicator (Yes = Acute/Critical from investigation within previous 12 months) | No |
| Southwest Interstate Transportation, Inc. Hours-of-Service (HOS) Data | |
| Number of inspections with at least one Hours-of-Service BASIC violation | 2 |
| Hours-of-Service (HOS) Compliance BASIC Roadside Performance measure value | .09 |
| Hours-of-Service (HOS) Compliance BASIC Acute/Critical Indicator (Yes = Acute/Critical from investigation within previous 12 months) | No |
| Southwest Interstate Transportation, Inc. Truck Driver Fitness Data | |
| Number of inspections with at least one Truck Driver Fitness BASIC violation | 0 |
| Truck Driver Fitness BASIC Roadside Performance measure value | 0 |
| Truck Driver Fitness BASIC Serious Violation Indicator (Yes = Acute/Critical from investigation within previous 12 months) | No |
| Southwest Interstate Transportation, Inc. Controlled Substances and Alcohol Data | |
| Number of inspections with at least one Controlled Substances and Alcohol BASIC violation | 0 |
| Number of inspections with at least one Controlled Substances and Alcohol BASIC violation | 0 |
| Controlled Substances and Alcohol BASIC Acute/Critical Indicator (Yes = Acute/Critical from investigation within previous 12 months) | No |
| Southwest Interstate Transportation, Inc. Vehicle Maintenance Data | |
| Number of inspections with at least one Vehicle Maintenance BASIC violation | 32 |
| Vehicle Maintenance BASIC Roadside Performance measure value | 5.33 | Vehicle Maintenance BASIC Acute/Critical Indicator (Yes = Acute/Critical from investigation within previous 12 months) | No |
Southwest Interstate Transportation, Inc. Insurance History
| Insurance Form | Insurance Type | Insurance Carrier | Policy/Surety | Coverage Amount From | Coverage Amount To | Effective Date From | Effective Date To |
|---|---|---|---|---|---|---|---|
| 91X | BIPD/Primary | United States Fire Insurance Co. | 506-884113-9 | $0 | $1,000,000 | 02/19/2016 | ? |
| 91X | BIPD/Primary | Illinois National Insurance Co. | TP9882033 01 | $0 | $1,000,000 | 02/19/2015 | 02/19/2016 Cancelled |
| 91X | BIPD/Primary | American Alternative Insurance Corporation | T5A2TP0000079-00 | $0 | $1,000,000 | 12/11/2014 | 03/05/2015 Cancelled |
| 91X | BIPD/Primary | American Alternative Insurance Corporation | T5A2TP0000079-00 | $0 | $1,000,000 | 12/11/2014 | 02/19/2015 Replaced |
| 91X | BIPD/Primary | New York Marine & General Ins. Co. | PK2014MCA00788 | $0 | $1,000,000 | 09/30/2014 | 12/11/2014 Cancelled |
| 91X | BIPD/Primary | Stratford Insurance Company | MCC8007015 | $0 | $1,000,000 | 09/30/2013 | 09/30/2014 Cancelled |
| 91X | BIPD/Primary | The Continental Insurance Co. | 4013965129 | $0 | $1,000,000 | 09/30/2012 | 09/30/2013 Cancelled |
| 91X | BIPD/Primary | Companion Property & Casualty Ins. Co. | ALT 11-9-0040 | $0 | $1,000,000 | 09/30/2011 | 09/30/2012 Cancelled |
| 91X | BIPD/Primary | Carolina Casualty Insurance Co. | 355428 | $0 | $1,000,000 | 09/30/2010 | 09/30/2011 Cancelled |
| 91X | BIPD/Primary | Carolina Casualty Insurance Co. | 353996 | $0 | $1,000,000 | 09/30/2009 | 09/30/2010 Cancelled |
| 91X | BIPD/Primary | Carolina Casualty Insurance Co. | 351674 | $0 | $1,000,000 | 09/30/2008 | 09/30/2009 Cancelled |
| 91X | BIPD/Primary | Carolina Casualty Insurance Co. | 349054 | $0 | $1,000,000 | 09/30/2007 | 09/30/2008 Cancelled |
| 91X | BIPD/Primary | Great West Casualty Co. | GWP24900B | $0 | $1,000,000 | 09/30/2005 | 09/30/2007 Replaced |
| 91X | BIPD/Primary | Occidental Fire And Casualty Co. Of N.c. | WI 67 28 43 | $0 | $1,000,000 | 08/13/2004 | 09/30/2005 Replaced |
| 91X | BIPD/Primary | Occidental Fire And Casualty Co. Of N.c. | WI 67 28 43 | $0 | $750,000 | 09/30/2003 | 08/13/2004 Replaced |
| 91X | BIPD/Primary | Canal Indemnity Company | LH01647 | $0 | $1,000,000 | 09/30/2002 | 09/30/2003 Cancelled |
| 91X | BIPD/Primary | State And County Mutual Fire Ins Co | TRK 000 1181 | $0 | $1,000,000 | 09/30/2001 | 09/30/2002 Cancelled |
| 91X | BIPD/Primary | State And County Mutual Fire Ins Co | TRK 000 1181 | $0 | $1,000,000 | 09/30/2001 | 09/30/2001 Replaced |
| 91X | BIPD/Primary | State And County Mutual Fire Ins Co | HAN 000 121-02 | $0 | $1,000,000 | 09/30/2000 | 10/23/2001 Cancelled |
| 91X | BIPD/Primary | State And County Mutual Fire Ins Co | HAN 000 121-02 | $0 | $1,000,000 | 09/30/2000 | 09/30/2001 Replaced |
| 91X | BIPD/Primary | State And County Mutual Fire Ins Co | HAN 000 121-02 | $0 | $1,000,000 | 09/30/2000 | 09/30/2000 Replaced |
| 91X | BIPD/Primary | State And County Mutual Fire Ins Co | HAN000121-01 | $0 | $1,000,000 | 09/30/1999 | 10/01/2000 Cancelled |
| 91X | BIPD/Primary | State And County Mutual Fire Ins Co | HAN000121-01 | $0 | $1,000,000 | 09/30/1999 | 09/30/2000 Replaced |
| 91X | BIPD/Primary | State And County Mutual Fire Ins Co | ECA03330 | $0 | $1,000,000 | 05/26/1999 | 09/30/1999 Replaced |
| 91X | BIPD/Primary | Legion Insurance Company | CP3-001977 | $0 | $1,000,000 | 03/11/1999 | 05/26/1999 Cancelled |
| 91X | BIPD/Primary | American International South Insurance Co. | CA4575161 | $0 | $1,000,000 | 06/15/1998 | 03/11/1999 Replaced |
| 91X | BIPD/Primary | Reliance Insurance Co/united Pacific Insuranc | SK2849341 | $0 | $1,000,000 | 04/01/1998 | 06/15/1998 Replaced |
| 91X | BIPD/Primary | Acceleration National Insurance Co. | AD30042 | $0 | $1,000,000 | 10/27/1997 | 04/30/1998 Cancelled |
| 91X | BIPD/Primary | Acceleration National Insurance Co. | AA30229 | $0 | $1,000,000 | 09/01/1997 | 12/06/1997 Cancelled |
| 91X | BIPD/Primary | Acceleration National Insurance Co. | AA30229 | $0 | $1,000,000 | 09/01/1997 | 10/27/1997 Replaced |
| 91X | BIPD/Primary | United Southern Assurance Co. | CW18828 | $0 | $1,000,000 | 10/27/1996 | 10/27/1997 Cancelled |
| 91X | BIPD/Primary | United Southern Assurance Co. | CW18828 | $0 | $1,000,000 | 10/27/1996 | 09/01/1997 Replaced |
| 91X | BIPD/Primary | Empire Fire & Marine Insurance Co. | EFM 10 54 58 | $0 | $1,000,000 | 10/27/1995 | 10/27/1996 Cancelled |
| 91X | BIPD/Primary | Empire Fire & Marine Insurance Co. | EFM 10 38 72 | $0 | $1,000,000 | 10/27/1994 | 10/27/1995 Cancelled |
| 34 | CARGO | Carolina Casualty Insurance Co. | 355428 | $0 | $5,000* | 09/30/2010 | 09/30/2011 Cancelled |
| 34 | CARGO | Carolina Casualty Insurance Co. | 353996 | $0 | $5,000* | 09/30/2009 | 09/30/2010 Cancelled |
| 34 | CARGO | Carolina Casualty Insurance Co. | 351674 | $0 | $5,000* | 09/30/2008 | 09/30/2009 Cancelled |
| 34 | CARGO | Carolina Casualty Insurance Co. | 349054 | $0 | $5,000* | 09/30/2007 | 09/30/2008 Cancelled |
| 34 | CARGO | Great West Casualty Co. | GWP24900B | $0 | $5,000* | 09/30/2005 | 09/30/2007 Replaced |
| 34 | CARGO | Occidental Fire And Casualty Co. Of N.c. | WI 67 37 47 | $0 | $5,000* | 09/30/2003 | 09/30/2005 Replaced |
| 34 | CARGO | Canal Indemnity Company | MTCH01506 | $0 | $5,000* | 09/30/2002 | 09/30/2003 Cancelled |
| 34 | CARGO | Insurance Corporation Of Hannover | H71 000 117-01 | $0 | $5,000* | 09/30/1999 | 09/30/2002 Replaced |
| 34 | CARGO | The Connecticut Indemnity Co. | MT850805 | $0 | $5,000* | 09/20/1990 | 09/30/1999 Replaced |