Historical Map: Bus Map of Tokyo, c. 1950
Not a lot of geographical context here, although the central hub is pretty easy to discern. Does good work differentiating lines with a limited colour palette. Can anyone translate the legend at right that shows dashed/thin/thick lines? Is this an early attempt at frequency mapping? Note: Thanks to all who have told me that the lines are thick for express routes, thin for normal routes, and dashed for “special” routes. So it’s service mapping, not frequency. […]