KEYSTONE SD
Roadside inspection site in South Dakota • 27 inspections on record
About This Inspection Site
KEYSTONE SD is a roadside inspection location in South Dakota where FMCSA-certified inspectors conduct safety inspections of commercial motor vehicles under the Motor Carrier Safety Assistance Program (MCSAP). This site has conducted 27 recorded inspections from Jan 1, 2020 to Oct 6, 2025.
A total of 17 unique carriers have been inspected at this site. The average number of violations per inspection is 0.1.
Inspections follow CVSA (Commercial Vehicle Safety Alliance) North American Standard procedures and may include weight checks, credential verification, mechanical inspection, hours-of-service compliance review, and hazardous materials documentation checks. Vehicles or drivers that fail critical safety criteria are placed out of service until deficiencies are corrected.
The most frequently cited violation at this site is Inoperable required lamps (Vehicle Maintenance) with 1 citations, followed by Failing to use seat belt (49 CFR) (1 citations). A total of 3 distinct violation codes have been cited at this location.
Inspection Level Breakdown
27 inspections by CVSA level
Top Violations
3 violation codes cited at this site (page 1 of 1)
Top Carriers Inspected
17 most frequently inspected carriers at this site
| # | Carrier | USDOT | State | Inspections |
|---|---|---|---|---|
| 1 | JACKSON-ROCK SPRINGS STAGES INC | 307788 | UT | 4 |
| 2 | STAGECOACH WEST INC | 172988 | SD | 3 |
| 3 | WINDSTAR LINES INC | 608224 | IA | 3 |
| 4 | AUTOCAR PREFERENCE LTEE | 174684 | QC | 2 |
| 5 | LAMOILLE VALLEY TRANSPORTATION INC | 365122 | VT | 2 |
| 6 | WESTERN TRAILS CHARTERS & TOURS LLC | 524401 | ID | 2 |
| 7 | AC COACH OPERATIONS INC | 337 | PA | 1 |
| 8 | CTOUR CHARTER LLC | 2916987 | CA | 1 |
| 9 | VILLAGES TRANSPORTATION SERVICES INC | 2565499 | FL | 1 |
| 10 | FOREMAN CHARTERS LLC | 3100512 | SD | 1 |
| 11 | READY BUS COMPANY LLC | 2466035 | MN | 1 |
| 12 | DAKOTA BUS SERVICE INC | 213176 | SD | 1 |
| 13 | USA TOURS INC | 765047 | MO | 1 |
| 14 | BESTWAY CHARTER TRANSPORTATION INC | 1161424 | IL | 1 |
| 15 | TRANSPORT SYNERGY LLC | 3469984 | IN | 1 |
| 16 | BUSCO INC | 433377 | NE | 1 |
| 17 | FIRST CLASS CHARTER LLC | 1602677 | TN | 1 |
Recent Inspections
27 inspections at this site (page 1 of 2)