Road signs of Duchessland in 1922

This is the page about road signs in Duchessland in 1922.

Colours
The colours of the road signs were:


 * Red-on-white for prohibitions
 * Blue-on-white for speed limits and railway crossing
 * Black-on-yellow for road works
 * White-on-blue for any other signage

List of signs
The stop sign becomes a blue octagon; the "slow down" message was changed to show only "SLOW".