Arizona & California Railroad – A Genesee & Wyoming Company

Union Pacific

First major U.S. railroad merger in approved to go forward

The Chatham Railroad Company

Railroad Constructors, Inc. (member of the Railroad Group)

Freight railroad awarded $9.6m to upgrade rail lines - NH Business Review

Freight Rail & Blocked Crossings - AAR

Nov. 18, 1883: Railroad Time Goes Coast to Coast

What Does a Railroad Contractor Do? - R&S Track, Inc.

Transcontinental Railroad Timeline, American Experience, Official Site

UP: Railroad History: How the Rail Industry Has Evolved in 160 Years