On 01/06/2012 14:19, Jason Cunningham wrote:
On 1 June 2012 08:09, Martin Vonwald <imagic....@gmail.com
<mailto:imagic....@gmail.com>> wrote:
But we have to make sure, that this values are only applied if real
indications (e.g. signposts) are present and not e.g. if one just
thinks that some vehicle can not drive there.
The example given is within the UK. Within the UK signs or signposts
haver no 'status' unless they're listed within official documents and
linked to legislation. I am confident this "unsuitable for HGVs" sign
has no legislative status. It's existence may be due to local
residents asking their local politician to find a way to 'stop' HGV's
following satnavs down this road because the noise reduces they're
enjoyment of their evening cocktails (Very unlikely, but a
possibility). Therefore it's more than possible that an 'unsuitable
status sign' may refer to a road that is very suitable. People or
business will place signs adjacent to UK roads in rural areas which
attempt to alter the actions of drivers, and we should not map these.
And if these signs are placed by the highway authority? I think these
most definitely do have a place in OSM. It's then up to the data
consumers whether they attach any value to them. By making the data
available, we are enabling e.g. HGV routing programs to take these
hints into account. Without these hints, trucks may be directed down
"unsuitable" routes. The political process leading to their erection is
not important - only their existence. Political pressure has a large
influence on speed limits as well.
In this instance the 'unsuitability' should be derived by OSM end
users though other tags, such as 'width' 'lanes' 'surface'
'children_play_here' 'local_resident_doesnt_like_big_HGVs'?
All the above does not mean that I believe 'unsuitable' tag has no
place within OSM.
Jason
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