Rail and Train systems Green Transportation .info Rail and Train systems Rail and Train systems Rail transit concepts Innov8 Transport's press release on Aug 12, 2013 regarding Hyperloop Innov8 Transport's Electric Dual Mode Skyway Vactrain - Vacuum-tube-train The Very High Speed Transit System High Speed Rail High Speed Rail advocacy organizations Hyperloop - Vacuum tube train proposal by Elon Musk Hyperloop Design Document, August 12, 2013