[OSM-talk] Moderating / Quality checking OSM contributions -- was: Re: OSmosa.net run now.., contribution model

[Nathan Edgars II]

On 12/7/2011 7:08 PM, Andrew Errington wrote:
> I don't know for sure, but I expect that the initial list of road
> classifications were derived from UK Ordnance Survey classifications:
>
> Motorway - motorway
> A road - primary
> B road - secondary
> 'yellow' road - tertiary
> 'white' road - unclassified
> dual-carriageway - trunk
> upgraded A road - primary + motorroad

"Motorroad" is a recent tag, and means that bikes and pedestrians are 
not allowed (I don't know if this is always true on an "upgraded A 
road"). Trunk was and still is (?) used for the "primary route network" 
in the UK, which I believe use green on signs.