[Talk-us] Relations, cycle routes, shapefiles

[Paul Johnson]

On 02/04/2011 01:44 AM, Nathan Edgars II wrote:
> On 2/3/2011 11:20 PM, Paul Johnson wrote:
>> If it's a bicycle boulevard, it should have it's own LCN relation (even
>> if it does have one member), as it would also qualify as a route.  And
>> the way will probably be split up many times over it's existence as turn
>> restrictions get added, ways get split to represent medians, other
>> routes sharing ways get added, etc.  Relations are a tad more resilient
>> in the long run.
> 
> Not really - when a way is split, the old tags are automatically applied
> to both new ways, but a relation is applied only if the editor knows
> about the relation. It's very easy to download a large route relation in
> JOSM and all its elements and split a way at a point where it overlaps
> another route without realizing that other route exists.

However, when the way is split, that would split the route if it's
tagged on the way.  A relation would allow someone to download the whole
route in question.

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