296 feet long to climb 189 feet, the USA's shortest & steepest of these still operates in Dubuque
..... 189 Feet, 296 
Feet, Steepest Scenic, Shortest Steepest, Historic Dubuque, Yesterday Can T,... [DOC] [TLE] Discovering historic Iowa transportation milestones (PDF) [PAR] Jul 1, 1974 ...