weights for walking routes

[ryanpeterson08]

Have had cases where our trip planner gives a walking route that is a quicker route, but the route is a narrow/steep hiking path that some would probably rather avoid. Could be a good idea to have a walking weight system similar to the biking weights for people who want to take safer routes.

[fpurcell]

Or maybe we create a new OSM tag that tells routing engines like OTP "do not route".

Grant mentions this tagging scheme: http://wiki.openstreetmap.org/wiki/Sac_scale, but the lowest level of this scale is still nothing we'd want to route folks on. BTW, the only tags that OTP recognizes now that affect walking are access=no and foot=no, but it wouldn't be accurate to add either of these to OSM to the path in question.

[abyrd]

OTP also already takes path slope into account. It could just be that we haven't set the limit/cost for steep paths high enough.

[bikeoid]

I'd also like to see an entire set of more intelligent walk weighting combined with the preferences triangle. A surprising number of people use my OTP instance for walk planning, but are surprised when it advises them to use a highway instead of a greenway or sidewalk. Today, OTP just chooses the best route which is often the shortest but not a way that many pedestrians would choose.

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[leonardehrenfried]

This is coming to OTP2 in #4328.