On the Signal System screen the Signal Location field is editable.
Some guidelines for entering Signal Locations are:
Text is capitalized and not abbreviated (i.e. HIGHWAY 2:24 AND MCKENZIE ROAD)
Primary highways appear before secondary or local roadways (i.e. HIGHWAY 2:62 AND 743:02)
Lower highway numbers appear before higher numbers (i.e. HIGHWAY 2A:26 AND 13:08)
If inside a municipality, the name of the municipality is referenced (i.e. HIGHWAY 4:07 AND 24 AVENUE SOUTH IN LETHBRIDGE)
Enter a full description of the location, including local road names where applicable (i.e. HIGHWAY 27:04 AND HILLCREST WALMART PEDESTRIAN ACCESS)