•   Tour Route     Attraction

• Problem Areas

•   Difficult Surface Material
•   Unsmooth
•   Difficult Surface/Unsmooth
•   Sidewalk < 2.5 m
•   Stairs

• Traffic Symbols

•   Pedestrian Zone
•   Construction
•   Crosswalk (Controlled)
•   Crosswalk (Traffic Signal)
•   S-Bahn (  Accessible)
•   S-Bahn (Not  Accessible)
•    U-Bahn (Platform to Train < 8cm)
•    U-Bahn (Platform to Train > 8cm)

Smoothness is a measure of the level of comfort experienced by the traveling public while riding over a pavement surface.