[Talk-GB] Questions about highway classification

Andy Mabbett andy at pigsonthewing.org.uk
Tue Mar 9 12:55:09 GMT 2010

On Tue, March 9, 2010 12:37, Tom Hughes wrote:
> On 09/03/10 11:29, Nathan Edgars II wrote:
>> *Are there criteria that the Highways Agency uses to define the
>> primary route network (more specific than the general purpose of
>> connecting major destinations) and the difference between an A road
>> and a B road? Or are changes handled on a case-by-case basis?
>> Thank you for any information.
> As I understand it the Primary Route Network (ie what we designate as
> trunk in osm) is specifically those road which link a specific set of
> towns that were themselves designated as Primary Destinations.

There's more about this on WIkipedia:



Andy Mabbett

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