Originally Posted by
Tankertrashnav
I remember seeing a film of how they used to plan railway timetables along routes. with each train's "path" shown by a length of string stretched across a lot of pins on a big sheet of paper. As long as no two lengths of string crossed, all was well!
Yes and when using graph paper they pre-formed templates for each type of train with the correct accel/deaccel/ cruising speed. Just place on paper and draw line...