ROCK SOLID MATERIALS INC
Federal law requires active proof of continuous auto liability ($750k-$1M) on file to avoid DOT Out-of-Service orders or authority revocation.
Fleet Equipment, Drivers & Mileage Utilization
Commercial Truck Insurance & Federal Filing Requirements
2026 Underwriting BenchmarkMCS-150 Biennial Schedule & FMCSA Safety Record
Frequently Asked Questions About ROCK SOLID MATERIALS INC
Is ROCK SOLID MATERIALS INC (USDOT #4578373) currently authorized and active?
According to U.S. DOT / FMCSA Company Census records, ROCK SOLID MATERIALS INC (USDOT #4578373, MC-53743666) holds an ACTIVE registration in Genoa City, Wisconsin, classified under Interstate (PRIVATE PROPERTY;AUTHORIZED FOR HIRE).
How many trucks and drivers does ROCK SOLID MATERIALS INC operate?
ROCK SOLID MATERIALS INC reports 29 commercial power unit(s) and 58 driver(s) (including 29 CDL drivers) on its FMCSA MCS-150 census filing.
What commercial truck insurance filings are required for USDOT #4578373?
Based on its Interstate operations hauling General Freight, federal regulations generally require $750,000 minimum primary liability (BMC-91 / BMC-91X ($750k+ Primary Liability) • MCS-90 Endorsement • $100,000 Motor Truck Cargo). Estimated market insurance benchmark for a 29-unit fleet in WI is $10,800–$17,000 per power unit annually.
When is ROCK SOLID MATERIALS INC's mandatory FMCSA MCS-150 biennial update due?
Under 49 CFR § 390.19, based on the last two digits of USDOT #4578373, ROCK SOLID MATERIALS INC must file its MCS-150 biennial update every March in Odd Years (2025, 2027). Last recorded MCS-150 date: 2026-05-06.
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