[OSM-talk] Turn restrictions ambiguity

[andrzej zaborowski]

2009/4/23 Aun Johnsen (via Webmail) <skippern at gimnechiske.org>:
> On Thu, 23 Apr 2009 21:56:09 +0200, andrzej zaborowski <balrogg at gmail.com>
> wrote:
>> Or something like this is common:
>>
>> B  C
>>  \  |
>>   \ |
>>    \|
>>     |
>>     |
>>     A
>>
>> where the straight line is considered a turn even though it's
>> straight, and the turn from A to B is considered straight even though
>> it's an arc :P
>>
>> Cheers
>>
> So how do you mean to tag a no_left_turn, where it is marked with a fully
> drawn yellow line in the center of a road, but no sign? The restriction to
> tag must correspodent with the actual restriction, so that a routing engine
> will route you correctly even if there are no visible signs.

The routing engine will already route you correctly if it follows the
specification on the wiki page, taking only the no_ / only_ part of
the tag into account.

Cheers