We had a bit of a discussion on IRC today about how best to tag the
"bike-friendliness" of an all-purpose road.
Some roads are clearly much friendlier to cyclists than others: low
traffic, low car speeds, easy overtaking, no difficult junctions. If
we could tag these accordingly, it would make for better cycle
cartography and route-planning.
However, tagging them is far from trivial. Measuring traffic and
average car speeds is beyond the resources of the average OSM mapper;
yet at the other end of the spectrum, saying
"bicycle_suitability=good" is very subjective.
I've put some outline thoughts, based on an upcoming UK standard, at
http://wiki.openstreetmap.org/index.php/Cheltenham_Standard
and would welcome comments. (Have sent this only to talk-gb to begin
with, with the thought "let's establish something that works at least
in one part of the world".)
cheers
Richard
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