ROCK ROAD COMPANIES INC
USDOT 171797
Active, interstate carrier, mid-size fleet (33 power units) — safety rating: satisfactory.
Vetting summary
At a glance
- Out-of-service rate33.3% vs 19.1% national avg
- Crashes (24 months)2 reported — involvement does not imply fault
These signals summarize the records shown below — they are a starting point for your own checks, not a judgment of the carrier.
Registration
Carrier identity
| USDOT Number | 171797 |
|---|---|
| MC Number | MC-147202 |
| Legal Name | ROCK ROAD COMPANIES INC |
| DBA Name | — |
| Entity Type | CORPORATION |
| Phone | 6087528944 |
| Address | 301 B-R TOWNLINE ROAD, Janesville, WI, 53545 |
Status
Authority & safety
| Operating Status | Active |
|---|---|
| Operation Type | Interstate |
| Safety Rating | S — Satisfactory (rated 20080905) |
| Hazmat Flag | false |
Safety ratings: S = Satisfactory, C = Conditional, U = Unsatisfactory. A carrier with no rating has not been through a full FMCSA compliance review — this is common and not itself a red flag.
Our scoring
Safety scores
| Unsafe Driving | 0 / 100 |
|---|---|
| Hours-of-Service Compliance | 0 / 100 |
| Driver Fitness | 0 / 100 |
| Controlled Substances & Alcohol | 0 / 100 |
| Vehicle Maintenance | 70 / 100 |
Scores are 0-100 rankings computed by us from public FMCSA inspection measures; higher = worse relative to peers. Not official CSA/BASIC percentiles. How these scores are computed.
Safety events
Inspections & crashes (last 24 months)
| Inspections | 3 |
|---|---|
| Out-of-Service Rate | 33.3% vs 19.1% national average |
| Crashes | 2 total (0 fatal, 1 with injuries, 2 towaway) |
- 2025-11-14 — IL — 1 injured, towaway
- 2025-11-02 — WI — towaway
Most frequent violation categories: 51 (3), 16 (1), 20 (1).
Crash involvement does not imply fault. FMCSA crash records list all reportable crashes involving a carrier, regardless of who caused them.
Equipment
Fleet & operations
| Power Units (trucks) | 33 |
|---|---|
| Drivers | 86 |
| Recent Annual Mileage | 251,543 |
| Last MCS-150 Filing | 10-JUL-25 |
ROCK ROAD COMPANIES INC operates 33 power units — a larger fleet than 99% of carriers registered in WI.
Nearby
Other carriers in Janesville, WI
- JANESVILLE AUTO TRANSPORT COMPANY — USDOT 74354, 453 power units
- LYCON INC — USDOT 530073, 363 power units
- FLEET CARRIER CORPORATION — USDOT 75891, 163 power units
- SAM VAN GALDER INC — USDOT 74456, 92 power units
- JOHNSON TRACTOR INC — USDOT 315644, 49 power units
Browse all carriers in Janesville, WI or all WI carriers.