Southwest Interstate Transportation INC (USDOT 270551)
MonitorFindings
One other active carrier is registered at this physical address. Shared addresses are common for freight offices and registered agents.
Rating Satisfactory issued Jun 1, 2011 (15 years ago); most recent FMCSA review May 27, 2011 (15 years ago). Both exceed the 5-year audit cycle
- DOT number
- USDOT 270551
- Docket (MC) number
- MC191270
- Operating authority
- Common carrier authority: active; Contract carrier authority: active. The federal bulk file showed this carrier's USDOT registration active as of Sep 13, 2026. We could not confirm that live just now.
- Authority granted
- Aug 1, 1986
- Insurance on file
- Liability (BIPD) insurance on file for $1,000,000.
- Safety rating
- Satisfactory (rating decision Jun 1, 2011)
- Fleet on file
- 19 power units, 18 drivers
- Operation type
- Interstate
- Physical address
- 3373 FM 499 WEST, CUMBY, TX 75433
- MCS-150 last filed
- Feb 2025
Frequently asked questions
What carrier is DOT 270551?
DOT 270551 (USDOT 270551) is Southwest Interstate Transportation INC, an interstate motor carrier.
What carrier is MC 191270?
MC 191270 is the docket number of Southwest Interstate Transportation INC, USDOT 270551.
What is Southwest Interstate Transportation INC's MC number?
Southwest Interstate Transportation INC's docket number is MC 191270. Its USDOT number is 270551.
Is Southwest Interstate Transportation INC currently authorized to operate?
Common carrier authority: active; Contract carrier authority: active. The federal bulk file showed this carrier's USDOT registration active as of Sep 13, 2026. We could not confirm that live just now. Source: FMCSA registration and licensing records.
Does Southwest Interstate Transportation INC have insurance on file with FMCSA?
Liability (BIPD) insurance on file for $1,000,000.
Who provides Southwest Interstate Transportation INC's insurance?
Southwest Interstate Transportation INC's liability insurance is filed with FMCSA by Spinnaker Insurance Company.
What is Southwest Interstate Transportation INC's safety record?
In the last 24 months, FMCSA records show a 19.4% vehicle out-of-service rate for Southwest Interstate Transportation INC, from 7 of 36 vehicle inspections, against a national average of 22.9% (fleetfax-computed from FMCSA inspections, as of Sep 10, 2026). FMCSA records also show 1 recordable crash in the same window.
What is Southwest Interstate Transportation INC's CSA score?
FMCSA does not publish a single CSA score for carriers. Southwest Interstate Transportation INC's public safety data includes its roadside inspection out-of-service rates and crash record, listed on this page.
What is Southwest Interstate Transportation INC's FMCSA safety rating?
Southwest Interstate Transportation INC's FMCSA safety rating is Satisfactory, from a review decided Jun 1, 2011.
Changes over time
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Reconstructed from cached and fleetfax-ingested FMCSA public records, so it may be out of date. Records loaded Sep 13, 2026. Verify current status on FMCSA SAFER. fleetfax surfaces the facts; brokers make the judgment. FMCSA status