This Appendix details a proposal for a Steel Interstate prototype to be constructed in the I-81/I-40 Corridor between Harrisburg, PA, (connecting to Philadelphia, NYC,& NJ) and Memphis, TN (connecting to Little Rock, Dallas, & Birmingham).The Executive Summary is a brief summary of testimony submitted by RAIL Solution offered in May, 2013, to the U.S. House Transportation & Infrastructure Committee Panel on 21st Century Freight Transportation, chaired by Congressman John Duncan (R-Knoxville, TN). If you would like a copy of the 56-page testimony, please contact RAIL Solution.