[Talk-us] Relation roles

[Nathan Edgars II]

On 6/29/2011 3:47 PM, Toby Murray wrote:
> For bike/bus routes that makes sense since they may go against the
> directionality of the way. For highway routes this doesn't seem to
> make sense and as Josh pointed out is just duplicating oneway
> information whereas the signed direction of the highway provides new
> information.

Except for cases where a highway is signed only one way on a two-way 
street. I have come across a few so-called one-way pairs where both 
streets are two-way. To determine which way the route goes you need to 
download the entire relation and see which end is east or north of the 
other.