Carrier profile · USDOT 290775 · Updated Jun 21, 2026

Great Southwestern Construction Inc

314 power unitsavg 8.6 yrRegional · 4 statesCASTLE ROCK, CO81/100
AUTHORITY STATUS UNKNOWNRATED CONDITIONALHAZMAT
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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
revealed
States observed4
US states
Inspections · 24 mo23
TX busiest

Inspection density by state· each tile = a state · shade = inspections, last 24 mo

Home base
CASTLE ROCK, CO
1100 TOPEKA WAY
Top corridor
TX ⇄ CO
TX 18 · KY 3 · NV 1
Density
fewermore
Shade = roadside inspections, last 24 mo.

State activity ranking· all 4 states · trailing 24 mo

Roadside inspections by state · GREAT SOUTHWESTERN CONSTRUCTION INC · trailing 24 months
StateCoverageInspections
TXTexas18
KYKentucky3
NVNevada1
GAGeorgia1