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Motor carrier · USDOT 1506628

RUBEN ROSAS, Newark, CA: USDOT 1506628 safety record, inspections, out-of-service, crashes

RUBEN ROSAS among Alameda County carriers

By power units, RUBEN ROSAS is number 2,289 of 9,550 Alameda County carriers, level with 7,261 that also file 1; the county’s middle fleet is 1 power unit.

RUBEN ROSAS (doing business as 3 DIAMNOND TRANSPORTATION), USDOT 1506628, MCS-150 filed March 11, 2026: 1 power unit (1 truck), 1 driver (1 with a CDL), 52,000 miles in 2025; Newark, CA 94560, Alameda County; active on the census; Intrastate Non-Hazmat Carriers; no hazardous materials; not rated by FMCSA; hauls Other, General Freight; registered May 25, 2006.

Alameda County carriers nearest RUBEN ROSAS in fleet size

Roadside inspections

Velarion’s copy of the inspection file holds no inspection for USDOT 1506628.

Crashes

Velarion’s copy of the crash file holds no crash for USDOT 1506628.

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Nearby on the register

Figures from the FMCSA Company Census File, loaded October 15, 2026, and FMCSA’s inspection and crash files.

How this page was built: FMCSA Company Census File, read October 15, 2026.

What this page shows

RUBEN ROSAS, operating as 3 DIAMNOND TRANSPORTATION, is one of 179,736 California carriers with one power unit, and 2.6% of those carriers joined the FMCSA register before it did. Its peers in Alameda County with one power unit number 7,262, which includes this carrier. The register holds no crashes and no roadside inspections for RUBEN ROSAS, unlike the 16.7% of California one-unit carriers that have at least one roadside inspection on file.