Carrier profile · USDOT 1984515 · MC-702623 · Updated Aug 2, 2026
WEST RIVER TRANSIT AUTHORITY INC
DBA PRAIRIE HILLS TRANSIT
0 power unitsSPEARFISH, SD50/100
CARRIER ACTIVEMC-702623 ACTIVE
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.
Inspection density by state· each tile = a state · shade = inspections, last 24 mo
Home base
SPEARFISH, SD
Density
fewermore