Exactly. 

Anyway, I’ve edited OSM to put rail and roads on different ways, much cleaner 
IMHO, so that should be sorted.

Laurent

On 8 févr. 2015, at 20:14, Peter <[email protected]> wrote:

> Hi Laurent,
> 
> aha, okay.
> 
> The big problem was that sometimes rails are incorrectly mapped (?) with
> including the highway tag and we wanted to make 100% sure that no car
> gets on the rails, so we did:
> https://github.com/graphhopper/graphhopper/blob/master/core/src/test/java/com/graphhopper/routing/util/CarFlagEncoderTest.java#L232
> 
> We were too strict at some point and had to relax this a bit, e.g. in
> this issue:
> https://github.com/graphhopper/graphhopper/issues/89
> 
> But I'm not sure if we can or should allow for highway & railway (??)
> 
> Regards,
> Peter
> 
> On 08.02.2015 15:15, Laurent Bendel wrote:
>> Hi Peter,
>> no, this one’s fine. That one is the problem:
>> 
>> http://www.openstreetmap.org/way/265979343
>> 
>> Laurent
>> 
>> On 8 févr. 2015, at 10:27, Peter <[email protected]> wrote:
>> 
>>> Hi Laurent,
>>> 
>>> you mean that ferry line where motor_vehicle is allowed but railway=yes?
>>> http://www.openstreetmap.org/way/31100827
>>> 
>>> Yeah it should not be excluded...
>>> 
>>> Regards,
>>> Peter
>>> 
>>> On 07.02.2015 18:59, Laurent Bendel wrote:
>>>> BTW, here’s another corner case I’ve come across: 
>>>> 
>>>> https://graphhopper.com/maps/?point=Nakhchivan%2C%20Azerbaijan&point=41.681118%2C44.862671&layer=MapQuest
>>>> 
>>>> The problem is, there is a small way on the end of the ferry in 
>>>> Turkmenbasy that is tagged both as highway=tertiary and railway=rail. The 
>>>> test here:
>>>> 
>>>> https://github.com/graphhopper/graphhopper/blob/master/core/src/main/java/com/graphhopper/routing/util/CarFlagEncoder.java#L204
>>>> 
>>>> doesn’t take this case in account. 
>>>> 
>>>> Now, it’s true that the ferry is transporting trains, and they may share 
>>>> the pier at some point (à la strassenbahn) but it may be more correct to 
>>>> represent the road and railways as two different ways rather than a single 
>>>> one. But instead of splitting hairs I could just as easily edit OSM and 
>>>> keep the test as is (according to overpass-turbo, there are a few other 
>>>> cases in other places, but it seems most of them are strict railways). 
>>>> What do you think ?
>>>> 
>>>> Laurent
>>>> 
>>>> 
> 
> 
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