Sure, cue sheets are cool from a cartography perspective, but they were mainly something engineered to achieve exactly what a gps route computer is doing: -

Sure, cue sheets are cool from a cartography perspective, but they were mainly something engineered to achieve exactly what a gps route computer is doing: - Show where you should go - Show when you missed, and how you get back on the route - Change the route mid-trip (how often roads are closed) All in all, sure they are a cool technology, but like a steam engine, it's mainly a thing to admire while moving on to more modern technology.