This industry comprises establishments primarily engaged in operating railroads (except street railroads, commuter rail, urban rapid transit, and scenic and sightseeing trains). Line-haul railroads and short line railroads are included in this industry.
Cross-References. Establishments primarily engaged in--
Operating street railroads, commuter rail, and urban rapid transit systems--are classified in Industry Group 4851, Urban Transit Systems;Operating scenic and sightseeing trains--are classified in Industry 48711, Scenic and Sightseeing Transportation, Land; andOperating switching and terminal facilities as separate establishments--are classified in Industry 48821, Support Activities for Rail Transportation.