WEST RIVER TRANSIT AUTHORITY INC
dba PRAIRIE HILLS TRANSIT
SPEARFISH, SD
01/15/2010
16 years, 2 months
6
Power Units
6
Drivers
Current
as of today
Active · 6 power units · 6 drivers · Spearfish, SD
2026
May 8, 2026
MCS-150 biennial update filed
Reported mileage: 9,500 (2024)
Reported power units: 6
Reported drivers: 6
2025
~Oct 2025
Legal name changed
WEST RIVER TRANSIT AUTHORITY → WEST RIVER TRANSIT AUTHORITY INC
~Oct 2025
Address changed
2015 TUMBLE WEED TRL, SPEARFISH, SD 57783 → 2015 TUMBLEWEED TRAIL, SPEARFISH, SD 57783
~Aug 2025
Address changed
2015 TUMBLE WEED TRAIL, SPEARFISH, SD 57783 → 2015 TUMBLE WEED TRL, SPEARFISH, SD 57783
Jul 29, 2025
MCS-150 biennial update filed
Reported mileage: 9,500 (2024)
Reported power units: 4 → 6
Reported drivers: 6
Jun 17, 2025
MCS-150 biennial update filed
Reported mileage: 9,000 (2022)
Reported power units: 4
Reported drivers: 6
May 28, 2025
MCS-150 biennial update filed
Reported mileage: 9,000 (2022)
Reported power units: 4
Reported drivers: 6
2024
Apr 1, 2024
MCS-150 biennial update filed
Reported mileage: 9,000 (2022)
Reported power units: 3 → 4
Reported drivers: 6
2023
May 10, 2023
MCS-150 biennial update filed
Reported mileage: 9,000 (2022)
Reported power units: 3
Reported drivers: 6
2022
Oct 13, 2022
MCS-150 biennial update filed
Reported mileage: 8,000 (2021)
Reported power units: 4 → 3
Reported drivers: 9 → 6
2021
Apr 21, 2021
MCS-150 biennial update filed
Reported mileage: 8,000 (2021)
Reported power units: 4
Reported drivers: 9
Mar 23, 2021
MCS-150 biennial update filed
Reported mileage: 5,000 (2018)
Reported power units: 4
Reported drivers: 9
2013
2010
Jan 15, 2010
DOT registered
Company registered with the FMCSA.