German railroading revolutionized warfare during 1825-1918 by getting more men, horses, guns, and supplies to the various battlefronts quicker and more efficiently than any other Great Power until the Allies discovered how to do it also, and sometimes better. In order to gain the advantages over their enemies, strict timetables had to be followed!
The engaging saga of German trains before and during the First World War of 1914-18, and their effectiveness--or not.