This post originally appeared on Orphan Road.
I have been continuing my correspondence with Bob Virkelyst over at metro and I brough up the idea of using a stem-and-leaf design for the schedule information at the bus stop. He wasn’t quite sure what I was referring to and since I had a ton of time to kill today I decided to create an example of what it would look like.
Stem-and-leaf designs are very good a reducing the quantity of visual clutter, are smaller (that normal list most of the time), quickly shows frequency (the numbers basically form a frequency bar graph), and service patters (i.e. if your bus comes to that stop at every 15,30,45 past the hour). It can also display data for two directions in the same table. Stem-and-leaf diagrams are used in statistics to sort data and have also been used by Japanese transit agencies for many years.
BTW Sorry about the multiple post. The image attachment tool is screwy.


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