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Carrier profile · USDOT 136555 · MC-80252 · Updated 07/26/2026

SOUTHWESTERN MOTOR TRANSPORT INC

DBA SMT LINES

312 power unitsavg 8.2 yrMulti-region · 11 statesSAN ANTONIO, TX
BROKER AUTHORITY ACTIVEMC-80252 BROKER ACTIVERATED SATISFACTORYHAZMAT
Verified linkssmtl.comFMCSA SAFERCallEmail
Observed fleet · trailing 24 mo daily
312Power units
101 observed · MCS-150
117Trailers seen
Decoded · vPIC
8.2Avg age (yr)
1998–2026 · vPIC
Call dispatch(210) 661-6791Email dispatchsmtlfmcsa@smtl.com

Carrier verification summary for SOUTHWESTERN MOTOR TRANSPORT INC

SOUTHWESTERN MOTOR TRANSPORT INC (USDOT 136555) has a Vektor safety score of 70/100 and a Review before loading verdict, computed deterministically from the FMCSA record refreshed 07/26/2026.

SOUTHWESTERN MOTOR TRANSPORT INC (USDOT 136555) holds active broker authority but no active for-hire carrier authority per FMCSA L&I as of 07/26/2026.

SOUTHWESTERN MOTOR TRANSPORT INC (USDOT 136555) has an unknown current BIPD insurance status because no FMCSA L&I active-filing snapshot row is available as of 07/26/2026.

SOUTHWESTERN MOTOR TRANSPORT INC (USDOT 136555) has a 11.8% vehicle out-of-service rate over the last 24 months, versus the 22.26% CVSA national average, from FMCSA roadside-inspection data refreshed 07/26/2026.

SOUTHWESTERN MOTOR TRANSPORT INC (USDOT 136555) has 9 reportable crashes in the last 24 months and 22 fatal crashes across the full FMCSA crash record available as of 07/26/2026.

SOUTHWESTERN MOTOR TRANSPORT INC (USDOT 136555) reports 312 power units and 281 drivers in its most recent MCS-150 filing dated 05/07/2025.

SOUTHWESTERN MOTOR TRANSPORT INC (USDOT 136555) has an FMCSA safety rating of Satisfactory assigned 11/05/2015 in the federal record refreshed 07/26/2026.

Load decision · FMCSA snapshot · 2026-07-26

Review before loading

Operating, but with flags a broker should weigh before tendering freight.

Active operating authorityEstablished 52 yearsNo insurance on file
USDOT registration52 yr registered
No active authority
Insurance (BIPD)Not on file
FMCSA L&I
Vehicle OOS · 24-mo11.8%
▼ 22.26% nat'l
Crashes · fatal22
9 in 24 mo
Vektor intelligence · beyond the federal recordProprietary signals computed from VIN-decoded inspections & daily FMCSA snapshots
Fleet typeIdentity

Asset-based

312 power units. Brokers price each fleet type apart.

Fleet age vs peersTypical

8.2 yr

Model years 1998–2026 · peer benchmark computing.

Identity stabilityStable

52 yr unchanged

Same registration since 1974 — no chameleon / reincarnation signal.

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Frequently asked

What is SOUTHWESTERN MOTOR TRANSPORT INC's USDOT number?

SOUTHWESTERN MOTOR TRANSPORT INC's USDOT number is 136555, and its motor carrier number is MC-80252.

Is SOUTHWESTERN MOTOR TRANSPORT INC authorized to operate?

As of 2026-07-26, SOUTHWESTERN MOTOR TRANSPORT INC is active in the FMCSA register with common, contract, broker operating authority on file.

What is SOUTHWESTERN MOTOR TRANSPORT INC's safety record?

SOUTHWESTERN MOTOR TRANSPORT INC has a 11.8% vehicle out-of-service rate (national average 22.26%) across 293 roadside inspections, with 9 reportable crashes in the last 24 months, and an FMCSA "Satisfactory" safety rating. Vektor's computed risk score is 70/100 (tier: review).

How big is SOUTHWESTERN MOTOR TRANSPORT INC's fleet?

SOUTHWESTERN MOTOR TRANSPORT INC operates 312 power units and 281 drivers per its most recent MCS-150 filing.

Where is SOUTHWESTERN MOTOR TRANSPORT INC based?

SOUTHWESTERN MOTOR TRANSPORT INC is based in SAN ANTONIO, TX, with roadside inspections recorded across 11 states.

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