Fleet typeIdentity
Asset-based
19 power units. Brokers price each fleet type apart.
Carrier profile · USDOT 270551 · MC-191270 ·
Southwest Interstate Transportation Inc
19 power unitsavg 10.6 yrRegional · 3 statesCUMBY, TX88/100
CARRIER ACTIVEMC-191270 ACTIVERATED SATISFACTORY
Observed fleet · trailing 24 mo daily
19Power units
17 observed · MCS-150
21Trailers seen
Decoded · vPIC
10.6Avg age (yr)
1999–2023 · vPIC
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Load decision ·
Clear to load
Clear under the current scoring — review the flagged signal below before loading.
In good standing · 4
Active operating authorityActive for-hire authority is on file with FMCSA.Insurance on fileBIPD (liability) insurance is on file with FMCSA.Established 41 yearsOperating authority has been on file since 1986.Out-of-service rates below national averageBoth vehicle and driver OOS rates beat the national benchmark across 92 inspections.
USDOT registration4040 yr registered
Active for-hireInsurance (BIPD)$1M in force
FMCSA L&IVehicle OOS · 24-mo20.0%
▼ 22.26% nat'lCrashes · fatal22
1 in 24 moVektor intelligence · beyond the federal recordProprietary signals computed from VIN-decoded inspections & daily FMCSA snapshots
Fleet age vs peersTypical
10.6 yr
Model years 1999–2023 · peer benchmark unavailable.
Identity stabilityStable
40 yr unchanged
Same registration since 1986 — no chameleon / reincarnation signal.
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Verification summary
SOUTHWEST INTERSTATE TRANSPORTATION INC (USDOT 270551) has a Vektor safety score of 88/100 and a Clear to load verdict, from the carrier's FMCSA record. FMCSA profile data as of Aug 16, 2026.
The carrier holds active common and contract for-hire operating authority per FMCSA L&I. FMCSA authority data as of Sep 3, 2026.
It has an active BIPD insurance filing with a $1,000,000 limit in force from SPINNAKER INSURANCE COMPANY effective Feb 19, 2023 in FMCSA L&I's current snapshot. FMCSA insurance data as of Aug 16, 2026.
Its vehicle out-of-service rate was 20.0% over the last 24 months, versus the 22.26% CVSA national average, from FMCSA roadside-inspection data. FMCSA safety data as of Sep 17, 2026.
The carrier received 42 roadside inspections in the last 24 months — 35 vehicle-level and 42 driver-level — across 3 states, according to FMCSA roadside-inspection data. FMCSA operations data as of Sep 17, 2026.
The carrier has 1 reportable crash in the last 24 months and 2 fatal crashes across the full FMCSA crash record available. FMCSA safety data as of Sep 17, 2026.
It reports 19 power units and 18 drivers in its most recent MCS-150 filing dated Feb 14, 2025. FMCSA identity data as of Sep 3, 2026.
It has an FMCSA safety rating of Satisfactory assigned Jun 1, 2011 in the federal record. FMCSA identity data as of Sep 3, 2026.
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Frequently asked
What is SOUTHWEST INTERSTATE TRANSPORTATION INC's USDOT number?
SOUTHWEST INTERSTATE TRANSPORTATION INC's USDOT number is 270551, and its motor carrier number is MC-191270.
Is SOUTHWEST INTERSTATE TRANSPORTATION INC authorized to operate?
FMCSA authority data as of Sep 3, 2026. SOUTHWEST INTERSTATE TRANSPORTATION INC is active in the FMCSA register with common, contract, broker operating authority on file.
What is SOUTHWEST INTERSTATE TRANSPORTATION INC's safety record?
SOUTHWEST INTERSTATE TRANSPORTATION INC has a 20.0% vehicle out-of-service rate (national average 22.26%) across 92 roadside inspections, with 1 reportable crash in the last 24 months, and an FMCSA "Satisfactory" safety rating. Vektor's computed risk score is 88/100 (tier: clear).
How big is SOUTHWEST INTERSTATE TRANSPORTATION INC's fleet?
SOUTHWEST INTERSTATE TRANSPORTATION INC operates 19 power units and 18 drivers per its most recent MCS-150 filing.
Where is SOUTHWEST INTERSTATE TRANSPORTATION INC based?
SOUTHWEST INTERSTATE TRANSPORTATION INC is based in CUMBY, TX, with roadside inspections recorded across 3 states.
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