Carrier profile · USDOT 270551 · MC-191270 · Updated Jun 13, 2026
SOUTHWEST INTERSTATE TRANSPORTATION INC
19 power unitsavg 10.4 yrRegional · 3 statesCUMBY, TX88/100
CARRIER ACTIVEMC-191270 ACTIVERATED SATISFACTORY
Operations & Lanes
Where this carrier actually runs, revealed by roadside-inspection geography over the last 24 months — not where they claim to operate, shown as state-level inspection density.
Operating footprint· revealed by roadside-inspection geography
Operating radiusRegional
revealedStates observed33
US statesInspections · 24 mo4747
TX busiestInspection density by state· each tile = a state · shade = inspections, last 24 mo
Home base
CUMBY, TX
Top corridor
TX
Density
fewermore
State activity ranking· all 3 states · trailing 24 mo
| State | Coverage | Inspections |
|---|---|---|
| TXTexasHQ | 38 | |
| ARArkansas | 8 | |
| OKOklahoma | 1 |