Terraworks Llc is an active interstate carrier based in Prague, OK.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 9 | 1 | 0 |
| Tractors | 1 | 0 | 0 |
| Trailers | 12 | 0 | 0 |
| Total Power Units | 11 | ||
Distinct vehicles · 24 mo
vs 11 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 84% | 93% | Worse than most peers |
| HOS Compliance | 95% | 97% | Worse than most peers |
| Driver Fitness | 0% | 0% | Better than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 79% | 90% | Worse than most peers |
Lower percentile = lower SMS measure = stronger safety record. Computed nightly across active carriers in the same state and fleet-size band.
| Type | Inspections | OOS | OOS % | Nat'l Avg |
|---|---|---|---|---|
| Driver | 0 | 0 | — | 6.67% |
| Vehicle | 0 | 4 | — | 22.26% |
| Hazmat | 0 | 0 | — |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| No crashes recorded | 0 | 0 | 0 | 0 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Mar 23, 2026 | MO | STRAIGHT TRUCK | 3 | 2 |
| Mar 13, 2026 | OK | STRAIGHT TRUCK | 1 | 0 |
| Oct 6, 2025 | KS | STRAIGHT TRUCK | 1 | 0 |
| Aug 7, 2025 | OK | TRUCK TRACTOR | 3 |
| Insp w/ Viol |
|---|
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 2 | 1.58 | — |
| HOS Compliance | 2 | 0.89 | — |
| Vehicle Maintenance | 4 | 6.56 | — |
| Driver Fitness | 0 | 0.00 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 4 states. Top state OK accounts for 70% of activity. Activity outside home state (OK): 30%.
| 8 |
| 4 |
| 4 |
| Hours-of-Service Compliance | 2 | 1 | 0 |
| Unsafe Driving | 2 | 0 | 0 |
| Jul 24, 2025 | IL | STRAIGHT TRUCK | 1 | 0 |
| Jul 3, 2025 | OK | TRUCK TRACTOR | 1 | 0 |
| Feb 14, 2025 | OK | STRAIGHT TRUCK | 0 | 0 |
| Jan 15, 2025 | OK | TRUCK TRACTOR | 0 | 0 |
| Dec 13, 2024 | OK | STRAIGHT TRUCK | 2 | 1 |
| Apr 19, 2024 | OK | TRUCK TRACTOR | 0 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Mar 23, 2026 | 393130CCHVE | Heavy Vehicles/Equipment - Improper securement of heavy vehicles equipment or machinery with crawler tracks or wheels | Vehicle Maintenance | Yes |
| Mar 23, 2026 | 39375A3TAOL | Tires - All others leaking or inflation less than 50% of the maximum inflation pressure on tire not equipped with ATIS | Vehicle Maintenance | Yes |
| Mar 23, 2026 | 39524 | HOS (ELD) - ELD Form and Manner | Hours-of-Service Compliance | — |
| Mar 13, 2026 | 3922SLLS2 | State/Local Laws - Speeding 6-10 miles per hour over the speed limit | Unsafe Driving | — |
| Oct 6, 2025 | 39395A4EEUS | Emergency Equipment - Fire Extinguishers - unsecured | Vehicle Maintenance | — |
| Aug 7, 2025 | 3939ALFTSI | Lighting - Front - Turn signal - inoperative | Vehicle Maintenance | — |
| Aug 7, 2025 | 3939ALSLIWR | Lighting - Stop lamps - Both inoperative when required to be on | Vehicle Maintenance | Yes |
| Aug 7, 2025 | 39617CPI | Operating a CMV without documentation of a periodic inspection | Vehicle Maintenance | — |
| Jul 24, 2025 | 3953A3II | Driving beyond 8 hour driving limit since the end of the last on duty off duty or sleeper period of at least 30 minutes | Hours-of-Service Compliance | — |
| Jul 3, 2025 | 3922SLLTCD | State/Local Laws - Failed to obey a traffic control device - Permanent or Temporary - e.g. safety official signal sign light lane marking other | Unsafe Driving | — |