[Tagging] Route relations - Forward & Backward

[Bryan Housel]

Unless there is a contraflow bus lane (were we just discussing this in IRC yesterday?)..
I’m super careful about these because I tried driving through one in San Juan once and the Policia really did not like that.



On Sep 5, 2014, at 11:59 PM, John F. Eldredge <john at jfeldredge.com> wrote:

> If a bus route makes use of a one-way street, then the bus can only go one direction on that street. A pedestrian can go in either direction on a one-way street, and a bicycle may be able to do so, depending upon local traffic laws. Even if a given street allows two-way traffic, the bus route may use that street in a single direction, with the reverse route using a parallel street.
> 
> 
> On September 5, 2014 7:39:17 AM CDT, "Dave F." <davefox at madasafish.com> wrote:
> On 05/09/2014 12:31, Jo wrote:
> 
>  In bus route relations the ways don't get roles.
> 
> Why's that? How would you tag a circular route that goes only clockwise?
> 
>  In this case some ways would be members twice.
> 
> 
> As the Relation's IDs aren't necessarily consecutive, how does a router 
> know which to follow? Or is there a way to sort them into order?
> 
>  In walking and cycling route relations we do use them. Those are 
>  bidirectional, whereas the bus and tram routes describe start to 
>  terminus for all variations.
> 
> 
> I'm
> unsure how you can suggest bus routes aren't bidirectional. They can 
> go both ways along a way the same as walkers/cyclists.
> 
> Dave F.
> 
> 
> 
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