On 10/16/2010 06:24 AM, Richard Welty wrote: > On 10/16/10 7:12 AM, Mike N. wrote: >> >>> One thing I /haven't/ seen addressed yet is whether single relations are >>> preferred, or one relation for each way with a super-relation. >>> Currently both are in use, but I think it would be a lot easier for >>> future code if we pick one and move towards it from now on. >> >> The current preferred convention is one relation per state, with a >> super-relation for all. Some people are converting existing road >> route relations, but it takes time. The reason is to minimize >> editing conflicts across long distances where it is likely that 2 or >> more people will be splitting a roadway to add attributes at the same >> time. > for motorways a lot of people are using two per state, one in each > direction. there > hasn't really been a concensus on that vs one relation with roles. > > the other reason for breaking at state lines is that for long US > highways and > Interstates, the number of nodes in the ways becomes unreasonably large > and editing them becomes an iffy proposition.
Isn't there usually a parent relation in this case?
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