On 5/12/2011 7:58 AM, [email protected] wrote:
Also, sidewalks are not always directly next to the driving lanes. There are sometimes grassy borders between the driving lanes and the sidewalk. Typically, this is a meter or so, but can be wider. On one street here in Nashville, Tennessee, USA, the sidewalk is about three meters to the side, and about two meters above the roadway, with occasional steps down to the roadway (the road ascends a steep hill on a diagonal).
More importantly, there may be features between the sidewalk and roadway. This is something that cannot be represented by using a sidewalk=* tag on a highway. This is not as important on suburban residential streets, but there are still issues with representing the fact that sometimes the (paved) sidewalk curves around a corner without a branch allowing one to cross the street to the next segment of sidewalk without walking across or hopping over the grass.
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