[Talk-us] Update on potential highway classification reform

[Zeke Farwell]

On Tue, May 18, 2021 at 11:07 PM brad <bradhaack at fastmail.com> wrote:

> That road connects to a town of about 2000.   That really seems like a
> stretch for a trunk road.  In my read of the wiki, it doesn't pass.
> From the wiki: "Trunk- The most important roads in a country's system that
> aren't motorways. (Need not necessarily be a divided highway.) "
> Even if it's the only one in the area, it isn't one of the most important
> roads in the country.
> Secondary at best. wiki: "(Often link towns)"
>
> Maybe it's a bad example
>

It is a good example.  In the UK all numbered routes prefixed with A are
either primary (if they have a white sign), or trunk (if they have a green
sign).  A87 has green signs which means the government has designated it as
the next level of importance below motorway.
https://en.wikipedia.org/wiki/A87_road
All UK mappers have to do is look at the sign to know if the osm highway
value should be trunk, primary, or secondary.  Other than Interstates, our
highway signs don't indicate importance like this, so we have to figure it
out and decide for ourselves.
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