Diamonds are not a railroad's best friendBy Peter A. Hansen But changes are coming that may improve their shine Map of the Month: Donner PassBy Bill Metzger Union Pacific's historic route and evolution 'The bridge is gone'By Steve Smedley Lessons for others from one short line's disaster and recovery High tech on paradeBy Jim Wrinn Fourteen innovations (and one classic) stand out at InnoTrans, the worldwide railway trade and technology showBreaking the codeBy Brian Schmidt The seven Class I railroads use different symbols to keep track of their trainsSearchlight sunsetBy Elrond Lawrence For a golden moment, past and future unite as a high-tech locomotive rolls past a 70-year-old sentinel In My Own Words: A tale of an errant carBy Theodore C. Doege & William S. Howell A tank car's odd trip over Southern Pacific's Coast Line