Denver Rock Island Railroad

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Denver Rock Island Railroad

Overview
Headquarters	Commerce City, Colorado
Reporting mark	DRIR
Locale	Adams County and Denver, Colorado
Predecessor	Chicago, Rock Island and Pacific Railroad
Technical
Track gauge	4 ft 8+1⁄2 in (1,435 mm) standard gauge

The Denver Rock Island Railroad (reporting mark DRIR), formerly known as the Denver Terminal Railroad, is a Class III terminal railroad in Commerce City, Colorado. The DRIR works around Denver's stock yards and many industries in that area.