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U.S. Department of Transportation U.S. Department of Transportation Icon United States Department of Transportation United States Department of Transportation

Final Standards, Classification, and Designation of Lines of Class I Railroads in the United States Volume II

Document Series
Technical Reports
Subject Evaluation
Classification, Final Standards, Public Participation

Final Volume II contains designations of all Class I Railroad lines in the United States based upon the standards developed in Final Volume I. Each Class I Railroad line segment in the national rail network was subjected to individual analysis using the most current information available following the publication of Volume II (Interim) on January 19, 1977 - notably correction/update information that was received by May 13, 1977 has been included in this Final Volume II. Statistical summaries of route mileage by line designation are presented, along with cross-reference information. Following the tables is an enlarged fold-out national network map displaying the line designations by categories.

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Last updated: Thursday, June 30, 1977