SOUTHWESTERN MOTOR TRANSPORT INC
USDOT 136555
Active, interstate carrier, large fleet (312 power units) — safety rating: satisfactory.
Vetting summary
At a glance
- Out-of-service rate9.4% vs 19.1% national avg
- Crashes (24 months)8 reported — involvement does not imply fault
These signals summarize the records shown below — they are a starting point for your own checks, not a judgment of the carrier.
Registration
Carrier identity
| USDOT Number | 136555 |
|---|---|
| MC Number | MC-80252 |
| Legal Name | SOUTHWESTERN MOTOR TRANSPORT INC |
| DBA Name | — |
| Entity Type | CORPORATION |
| Phone | 2106616791 |
| Address | 4600 GOLDFIELD, San Antonio, TX, 78218 |
Status
Authority & safety
| Operating Status | Active |
|---|---|
| Operation Type | Interstate |
| Safety Rating | S — Satisfactory (rated 20151105) |
| Hazmat Flag | true |
Safety ratings: S = Satisfactory, C = Conditional, U = Unsatisfactory. A carrier with no rating has not been through a full FMCSA compliance review — this is common and not itself a red flag.
Our scoring
Safety scores
| Unsafe Driving | 78 / 100 |
|---|---|
| Hours-of-Service Compliance | 82 / 100 |
| Driver Fitness | 86 / 100 |
| Controlled Substances & Alcohol | 0 / 100 |
| Vehicle Maintenance | 71 / 100 |
Scores are 0-100 rankings computed by us from public FMCSA inspection measures; higher = worse relative to peers. Not official CSA/BASIC percentiles. How these scores are computed.
Safety events
Inspections & crashes (last 24 months)
| Inspections | 159 |
|---|---|
| Out-of-Service Rate | 9.4% vs 19.1% national average |
| Crashes | 8 total (0 fatal, 3 with injuries, 7 towaway) |
- 2026-03-02 — TX — towaway
- 2025-10-10 — TX — towaway
- 2025-07-18 — TX — 1 injured, towaway
- 2025-04-23 — TX — 1 injured, towaway
- 2025-03-13 — TX — 1 injured
Most frequent violation categories: 20 (29), 16 (27), 23 (12).
Crash involvement does not imply fault. FMCSA crash records list all reportable crashes involving a carrier, regardless of who caused them.
Equipment
Fleet & operations
| Power Units (trucks) | 312 |
|---|---|
| Drivers | 281 |
| Recent Annual Mileage | 16,020,000 |
| Last MCS-150 Filing | 07-MAY-25 |
SOUTHWESTERN MOTOR TRANSPORT INC operates 312 power units — a larger fleet than 100% of carriers registered in TX.
Nearby
Other carriers in San Antonio, TX
- AMERITECH SERVICES — USDOT 309641, 5590 power units
- H-E-B LP — USDOT 351057, 922 power units
- HOLT TEXAS LTD — USDOT 542319, 739 power units
- COASTAL TRANSPORT COMPANY INC — USDOT 36647, 715 power units
- STATEWIDE TRANSPORT LLC — USDOT 333724, 496 power units
Browse all carriers in San Antonio, TX or all TX carriers.