8 May 2019, 01:30 by nbol...@gmail.com: > - Unmarked crossings are abstract "fictions" representing where an individual > might cross the street, marked crossings are identifiable from imagery. > - Because unmarked crossings are "fictions", they are only suggested places > to cross, according to the mapper. In contrast, marked crossings are > "official". > Just because mapping something requires real survey rather than mapping from aerial imagery is not making it fictional or unofficial.
> - Marked crossings are one of the few pedestrian spaces that can be > straightforwardly considered as a linear feature: it connects spaces across a > street. > Typical footway is also linear. > - Marked crossings tend to have legal implications, as you note. > Unmarked crossings may also have legal implications (for example in Poland).
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