Rock Werks LLC Safety Record
DOT# 3891996 · Casa Grande, AZ 85122-6208 · 4804407608
Excellent safety record — scored 14/100 (lower is better). This carrier has one of the best inspection records on file.
Last inspected 01/28/2026
Safety Score Breakdown · 14/100 points
Lower scores are better. How is this calculated?
According to FMCSA records, Rock Werks LLC (DOT# 3891996) in Casa Grande, Arizona has 12 inspections on record with 23 violations and a 0.0% vehicle out-of-service rate. Safety grade: A (excellent safety record).
Out-of-Service Rates vs. National Average
An out-of-service (OOS) violation means a vehicle or driver was found unsafe to operate during a roadside inspection and was prohibited from continuing until the issue was corrected.
Violation Categories · 23 total violations
FMCSA groups violations into Behavioral Analysis and Safety Improvement Categories (BASICs). Each violation found during a roadside inspection is classified into a category that reflects the type of safety risk.
Inspection History · 12 records
FMCSA inspections range from Level 1 (full vehicle and driver examination) to Level 6 (enhanced motorcoach inspection). Level 1 is the most thorough; Levels 2 and 3 are walk-around and driver-only checks.
| Date | State | Veh OOS | Drv OOS |
|---|---|---|---|
| 01/28/2026 | AZ | 0 | 0 |
| 08/08/2025 | AZ | 0 | 0 |
| 06/02/2025 | AZ | 0 | 0 |
| 12/18/2024 | AZ | 0 | 0 |
| 09/24/2024 | AZ | 0 | 0 |
| 09/12/2024 | AZ | 0 | 0 |
| 07/17/2024 | AZ | 0 | 0 |
| 12/19/2023 | AZ | 0 | 0 |
| 09/25/2023 | AZ | 0 | 0 |
| 09/06/2023 | AZ | 0 | 0 |
Fleet Profile
Power units include trucks, tractors, and other commercial motor vehicles registered to the carrier. Driver count reflects the total number of drivers reported on the carrier's MCS-150 filing.