[OSM-talk] re-using segments

[Karl Eichwalder]

>> Am I btw correct in thinking that with the new three-layered way of
>> tagging things (nodes-ways-relations) that it's best to have split ways
>> on every node where another way meets it? So, instead of one big way
>> long as I used to tag things, now a separate way between every
>> crossroad?

> I hope that's not being encouraged. Ways should not be split just
> because there's an intersection. Ways should be split only when the
> properties of the way change (i.e., speed limit changes, or way goes
> over a bridge, etc.). Having lots of little streets is almost like
> having segments again. It's not very efficient.

It depends.  If you agree to split streets because of bridges or
speed limit changes, you should also allow splitting because of
routes.  Take into account that speed limits are often useful for
fuel powered vehicles.