So these roles should not be forbidden, at most they should be
inadvisable unless necessary.

On Tue, Jan 9, 2018 at 5:24 PM, Ilya Zverev <i...@zverev.info> wrote:
> Fernando Trebien wrote:
>>
>>
>> According to PTv2, this route needs to be broken into two, one per
>> direction, and a route_master relation must be created for them.
>> Without the forward/backward roles, I believe applications will not be
>> able to easily find out the direction of travel of either since the
>> route contains a single way, unless they parse the from and to tags,
>> which are not required to match station names.
>
>
> Exactly, you found one case when the role is useful. I use it in the Subway
> Processor/Validator for this.
>
> Ilya
>
>
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-- 
Fernando Trebien
+55 (51) 9962-5409

"Nullius in verba."

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