Railroad Design Considerations Over the last hundred or so years the world has designed railroads, railroad engines, railroad rolling stock, stations, switching yards, bridges, and such by the thousands; some of the designs are great, some are really bad and have been retired to museums.  The BorderTransportationSystem team has looked at many of the designs and looked into the Pros and Cons of the most popular high-speed designs, and has found that most do NOT meet the needs of our system and the decades of its use into the future.  Thus, the team has come up with new design proposals based on the real world challenges of protecting our southern border, providing both passenger and freight capability, and doing it at little to no cost to the taxpayer. Index of ... Automatic Computer Controlled system Bird and Animal resistant right of way Dual Rail System Existing Railroad Crossings into Mexico Freight car engine design High-speed Diesel considerations High-speed Electric considerations How will heat effect the materials Human factors to consider Mag-Lev Passenger car engine design Positive Train Control Single rail only considerations Single units - unidirectional Special Border Patrol cars Speed limits of the system Spur Routes Standard Track Gauges Weather resistant