[Talk-scotland] Trunk roads in Edinburgh

Michael Booth boothym at gmail.com
Sun Mar 20 21:28:07 UTC 2016

According to the wiki and talk-gb posts, the distinction between trunk 
and primary is to do with green v white signed routes. 

My memory of that part of Edinburgh is a bit fuzzy so forgive me for 
looking at google street view. If you go west on the A902 from the Crewe 
Toll roundabout there are a few green signs, but also some white signs - 
especially going eastbound. But it's clear that the A902 and A199 aren't 
what you would class as the second most important roads on the network - 
they look like primary roads to me.

If you compare the Transport Scotland trunk road map to the OSM map, it 
is identical except for the roads in question going through Edinburgh. 
I'm not sure if that is the case in the rest of the UK - should we just 
be copying the trunk road maps or going by the wiki (if there is even a 

On 19/03/2016 10:16, Donald Noble wrote:
> A recent note from GinaroZ [1] highlights a short section of 
>  Queensferry road is set to highway=trunk whereas most of it is 
> primary. This short bit at the junction appears to have been missed 
> missed in a changeset [2] by acsimpson "Correcting Trunk roads to 
> Primary Roads around West Edinburgh".
> Having looked again at the wii for Trunk roads [3], I propose that we 
> should reclassify the sections of the A90, A902 and A199 within the 
> city that are largely  bordered by houses to be highway=primary. These 
> are important routes, but not "high performance roads that don't meet 
> the requirement for motorway".
> This would affect this short stretch of the A90, the A902 
> (Telford/Ferry Road), and the A199 from Leith to Brunstane. I think 
> that the north end of the dual carriageway A1 ending in Brunstane is a 
> suitable end point for the Trunk road.
> Any comments welcome, either here or on the note.
> Regards, Donald
> [1] 
> http://www.openstreetmap.org/note/529056#map=16/55.9611/-3.2875&layers=N
> [2] http://www.openstreetmap.org/changeset/37078948
> [3] http://wiki.openstreetmap.org/wiki/Tag:highway%3Dtrunk
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