Luminator bus sign, destination/route (Front) width 17. height 23. line width 4.  Use underscore for filled block and lowercase for “via”.  Otherwise use all uppercase.

Swirl Bus route sign, 7 width, 11 height.  Line width 1.  Use underscore for box.  X is Bronx, Z is multi-borough.

The side route font for both the R140B and R199 in my fictional subway system.

Side destination sign for the fictional R140A (from my fictional transit system).  A few small letters for words like “to” and “via”.  Use a bigger size for the route number.