Carrier profile · USDOT 190744 · Updated Jun 13, 2026
FOUR CORNERS MATERIALS INC
DBA OLD CASTLE SOUTHWEST GROUP INC
120 power unitsDURANGO, CO50/100
AUTHORITY STATUS UNKNOWN
Safety
Roadside out-of-service rates versus the national benchmark, inspection and crash trends, decoded violation themes, and ELD / hours-of-service integrity — the full safety picture behind the verdict.
Out-of-service rate· 24-mo cumulative
No roadside inspections on record.
Roadside inspection history· 24 charted calendar months · vehicle / driver level · any-OOS overlay
No roadside inspections on the FMCSA record in this window
Crash history· 5 total · 0 in 24 mo
Total crashes
In last 24 mo
Fatal
Injury
| Year | Crashes | Fatal | Injury | Tow | |
|---|---|---|---|---|---|
| 2023 | 1 | 0 | 0 | 1 | |
| 1999 | 2 | 0 | 2 | 1 | |
| 1998 | 1 | 0 | 1 | 1 | |
| 1997 | 1 | 0 | 0 | 1 |
| Date | State | Fatalities | Injuries | Tow-away |
|---|---|---|---|---|
| Nov 20, 2023 | CO | 0 | 0 | Yes |
| May 11, 1999 | CO | 0 | 1 | Yes |
| Apr 14, 1999 | CO | 0 | 1 | No |
| Oct 18, 1998 | CO | 0 | 2 | Yes |
| Aug 29, 1997 | CO | 0 | 0 | Yes |