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Motor carrier · USDOT 136555

SOUTHWESTERN MOTOR TRANSPORT INC, San Antonio, TX: USDOT 136555 safety record, inspections, out-of-service, crashes

Fleet and drivers are as SOUTHWESTERN MOTOR TRANSPORT INC filed them on its MCS-150, last updated May 7, 2025. The carrier has been on the FMCSA register since June 1, 1974. Inspections and crashes are the reports in Velarion’s copy of FMCSA’s inspection and crash files, which hold the reports filed by some states, not every state; FMCSA’s free SAFER snapshot carries the carrier’s national 24-month inspection and out-of-service figures.

Identity

Legal name as filedSOUTHWESTERN MOTOR TRANSPORT INC
Doing business asSMT LINES
USDOT number136555
Status on the censusActive
AddressSan Antonio, TX 78218
CountyBexar County
Operating authorityInterstate Carriers
Hazardous materialsCarries hazardous materials
Safety ratingSatisfactory
Power units1,086 (288 trucks)
Drivers510 (228 with a CDL)
On the register sinceJune 1, 1974
MCS-150 last filedMay 7, 2025
Cargo carriedChemicals; Building Materials; Oilfield Equipment; Beverages; Construction; Paper Products; General Freight

Cited to the FMCSA Company Census File.

Roadside inspections

The newest 50 of 141.

DateFiled byLevelViolationsOut-of-serviceDriver OOSVehicle OOS
September 4, 2025TNLevel I, full0000
July 3, 2025TXLevel II, walk-around0000
June 27, 2025TXLevel II, walk-around0000
June 26, 2025TXLevel II, walk-around5101
June 25, 2025TXLevel III, driver only0000
June 25, 2025TXLevel II, walk-around0000
June 19, 2025TXLevel II, walk-around1000
June 13, 2025TXLevel II, walk-around1000
June 1, 2025TXLevel II, walk-around2000
May 21, 2025TXLevel I, full3000
May 15, 2025TXLevel I, full2101
May 14, 2025TXLevel III, driver only0000
May 13, 2025TXLevel II, walk-around3101
May 13, 2025TXLevel I, full1000
May 9, 2025TXLevel I, full0000
April 29, 2025TXLevel II, walk-around2101
April 17, 2025TXLevel I, full0000
April 16, 2025TXLevel II, walk-around9211
April 16, 2025TXLevel II, walk-around0000
April 15, 2025TXLevel II, walk-around0000
April 7, 2025TXLevel II, walk-around2202
April 4, 2025TXLevel II, walk-around1000
April 2, 2025TXLevel II, walk-around0000
March 29, 2025TXLevel II, walk-around0000
March 10, 2025TXLevel I, full0000
March 10, 2025TXLevel I, full0000
March 5, 2025TXLevel II, walk-around0000
March 4, 2025TXLevel II, walk-around0000
February 28, 2025TXLevel III, driver only1000
February 28, 2025TXLevel I, full0000
February 25, 2025TXLevel I, full0000
February 20, 2025TXLevel III, driver only0000
February 16, 2025TXLevel II, walk-around1000
February 6, 2025TXLevel I, full2000
January 30, 2025TXLevel II, walk-around3000
January 28, 2025TXLevel II, walk-around0000
January 16, 2025TXLevel II, walk-around0000
January 10, 2025TXLevel II, walk-around0000
January 3, 2025TXLevel I, full5000
December 19, 2024TXLevel I, full2000
December 12, 2024TXLevel II, walk-around1000
December 9, 2024TNLevel III, driver only0000
December 6, 2024TXLevel II, walk-around0000
December 6, 2024TXLevel II, walk-around0000
December 3, 2024TXLevel I, full0000
November 27, 2024TXLevel II, walk-around1000
November 21, 2024TXLevel II, walk-around0000
October 29, 2024TXLevel II, walk-around0000
October 21, 2024TXLevel II, walk-around1000
October 21, 2024TXLevel II, walk-around1000

Cited to the FMCSA Vehicle Inspection File; up to 50 rows shown, newest first.

Crashes

The newest 50 of 642.

DateFiled byCityFatalitiesInjuriesTowed awayHazmat released
June 23, 2026TXGarland01YesNo
March 2, 2026TXSan Antonio00YesNo
October 10, 2025TXNot Listed00YesNo
July 18, 2025TXNot Listed01YesNo
April 23, 2025TXBeverly Hills01YesNo
March 13, 2025TXDallas01NoNo
February 15, 2025TXSchertz00YesNo
November 18, 2024TXTemple00YesNo
October 11, 2024TXNot Listed00YesNo
May 31, 2024TXDallas00YesNo
May 4, 2024TXSan Antonio00YesNo
March 24, 2024TXNot Listed00YesNo
March 8, 2024TXNot Listed11YesNo
November 15, 2023TXSan Antonio00YesNo
September 12, 2023TXAustin00YesNo
July 21, 2023TXNot Listed02YesNo
June 14, 2023TXWaco00YesNo
June 9, 2023TXGrapevine00YesNo
May 11, 2023TXLive Oak00YesNo
March 12, 2023ILWabash Twp00YesNo
March 12, 2023TXRound Rock00YesNo
December 21, 2022TXSan Antonio05YesNo
July 21, 2022TXMeadows Place00YesNo
April 12, 2022TXKingsville00YesNo
February 17, 2022TXDallas01NoNo
September 15, 2021TXCarrollton00YesNo
April 30, 2021TXCarrollton01YesNo
April 26, 2021TXNot Listed00YesNo
April 20, 2021TXJersey Village00YesNo
March 19, 2021TXIrving00YesNo
December 12, 2020TXNot Listed00YesNo
December 10, 2020TXDallas00YesNo
October 8, 2020TXNot Listed00YesNo
September 5, 2020TXNot Listed00YesNo
September 3, 2020TXJohnson City01YesNo
April 21, 2020TXSan Antonio01YesNo
February 6, 2020TXTemple00YesNo
December 14, 2019TXWaco00YesNo
December 13, 2019TXNot Listed03NoNo
November 7, 2019TXLongview01YesNo
October 15, 2019TXBeaumont00YesNo
July 11, 2019TXRural Williamson County01YesNo
June 27, 2019TXEl Paso00YesNo
June 22, 2019TXSan Antonio00YesNo
May 13, 2019TXSan Antonio00YesNo
April 24, 2019TXCedar Park00YesNo
April 19, 2019TXRobinson00YesNo
April 5, 2019TXRural Freestone County00YesNo
March 22, 2019TXRural Wise County01YesNo
November 16, 2018TXHouston00YesNo

Cited to the FMCSA Crash File; up to 50 rows shown, newest first.

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FMCSA publishes a free snapshot of every carrier on SAFER: its registration, its national inspection and out-of-service figures for the last 24 months, and its crashes; open it for USDOT 136555.

Nearby on the register

Figures from the FMCSA Company Census File, loaded September 14, 2026, and FMCSA’s inspection and crash files.