DUAL CLASS I RAIL SITES, ACCESS TO MAJOR HIGHWAYS AND REGIONAL MARKETS The Great Western Industrial Park (GWIP)is a 3,000-acre, master-planned advanced manufacturing park in Northern Colorado, uniquely positioned to support heavy industrial users. As the only site in the state offering Dual Class I rail access, heavy power capacity and flexible industrial zoning at scale, GWIP delivers a rare combination of infrastructure, access and development certainty within a proven manufacturing corridor.