SOUTHWESTERN MOTOR TRANSPORT INC
Operations
What SOUTHWESTERN MOTOR TRANSPORT INC’s FMCSA record shows
Each field from the public registration, and what it means when you’re vetting this carrier.
- USDOT number 136555
- The USDOT number is FMCSA's permanent ID for this company. It never changes, even when the business renames, moves, or changes owners, so it's the most reliable way to identify SOUTHWESTERN MOTOR TRANSPORT INC.
- MC number MC 80252
- An MC (docket) number means the company applied for interstate operating authority to haul regulated freight for hire or to broker loads. Brokers and shippers usually check MC authority before booking.
- Operating status Active
- FMCSA lists this USDOT number as active. Active status alone doesn't confirm current insurance or operating authority; those are separate checks.
- Operation type Interstate
- Interstate carriers can haul freight across state lines and fall under the full federal safety rules (FMCSRs).
- Fleet size 312 power units, 281 drivers
- SOUTHWESTERN MOTOR TRANSPORT INC self-reports 312 power units (trucks and tractors), which makes it a large fleet. Fleet counts come from the carrier's own MCS-150 filing and aren't independently audited.
- Last MCS-150 update May 7, 2025
- The MCS-150 is the registration form where carriers report their address, fleet size, and operations. SOUTHWESTERN MOTOR TRANSPORT INC last filed it on May 7, 2025. That's within FMCSA's two-year update requirement, so the company details here are reasonably current.
Safety profile
FMCSA BASIC percentiles, inspection history, and out-of-service rates.
Full safety report
All 7 FMCSA BASIC percentiles, recent inspection records, vehicle & driver out-of-service rates — free with any account.
Crash history
State-reportable crashes, severity breakdown, and time-decayed analysis.
Crash history
Individual crash records with date, severity (fatal / injury / tow-away), and fleet-normalized rate.
Insurance & compliance
Active policy coverage, insurance carrier, effective dates, and historical gaps.
Insurance details
BI&PD coverage, cargo insurance, insurance carrier name, effective dates — a critical pre-booking check.
Authority & cross-reference
Authority revocation history and chameleon carrier detection across 4.4M records.
Authority & cross-reference
Every authority grant, revocation, and reinstatement — plus chameleon flags from address / officer / phone matches.
Frequently asked questions about SOUTHWESTERN MOTOR TRANSPORT INC
Common questions about this carrier, answered from FMCSA public records.
Is SOUTHWESTERN MOTOR TRANSPORT INC a legitimate motor carrier?
SOUTHWESTERN MOTOR TRANSPORT INC is registered with FMCSA under USDOT number 136555. Operating authority status is currently Active. Carrier90's trust score of 97/100 yields a APPROVE verdict based on safety, insurance, authority, and crash data.
What is SOUTHWESTERN MOTOR TRANSPORT INC's safety score?
Carrier90 scores SOUTHWESTERN MOTOR TRANSPORT INC at 97 out of 100 with a APPROVE verdict. The score combines FMCSA BASIC percentiles, crash history, insurance status, operating authority, and chameleon carrier detection signals.
Where is SOUTHWESTERN MOTOR TRANSPORT INC based?
SOUTHWESTERN MOTOR TRANSPORT INC lists its physical address in SAN ANTONIO, TX in FMCSA records. The physical state and city fields are provided by the carrier on their MCS-150 form.
Is USDOT 136555 active?
USDOT 136555 (SOUTHWESTERN MOTOR TRANSPORT INC) operating authority status is currently Active. Last verified by Carrier90 on October 24, 2026. Data is sourced from live FMCSA federal records.
How many trucks does SOUTHWESTERN MOTOR TRANSPORT INC operate?
SOUTHWESTERN MOTOR TRANSPORT INC reports 312 power units and employs 281 drivers to FMCSA. These figures come from the carrier's most recent MCS-150 filing.
Get the full report on SOUTHWESTERN MOTOR TRANSPORT INC
Free for the first 50 searches per day. No credit card. One-time email code.
Browse more carriers
Compare SOUTHWESTERN MOTOR TRANSPORT INC with the largest fleets nearby.
Nearby USDOT numbers
- SEAHORSE TRANSPORT INC DOT 136552
- SHERWOOD VAN LINES INC DOT 136553
- SOUTHERN WAREHOUSING & DISTRIBUTION INC DOT 136554
- TESORO CRUDE OIL COMPANY TRUCK TRANSPTN DIVISION DOT 136556
- TEXAS TEX-PACK EXPRESS INC DOT 136557
- TEXAS TRANSPORT INC DOT 136558
Related resources
Learn more about how to vet carriers and read FMCSA data.