User form compilation (also available offline) basically consisted
in describing the type of pothole, classifying it according
to the severity degree, recording its position and taking a picture
of it. The technical details related to form design, compilation
and submission can be found in Brovelli et al. (2014). Finally the
Web viewers allow to interact with the WMS layer of the potholes
reported by volunteers, which are automatically styled in different
colors (green3, yellow, and red) according to the severity degree of
the damage declared by the users (see Fig. 2).