[OSM-talk] UK: Trunk-Primary

Tom Hughes tom at compton.nu
Mon Aug 13 10:15:56 BST 2007

In message <46C01BCE.4020302 at lsces.co.uk>
        Lester Caine <lester at lsces.co.uk> wrote:

> Tom Hughes wrote:
>> In message <46C01288.9080901 at frankieandshadow.com>
>>         David Earl <david at frankieandshadow.com> wrote:
>>> Tom said:
>>>> That is, to be completely frank, a ludicrous proposal. Tagging something
>>>> explicitly based on the colour of the signs is just ridiculous.
>>> I'm pretty sure that's what most of us are doing, or rather we are
>>> using the signs as ground-based evidence of what kind of road they
>>> are.
>> That was my point really - using the sign colour as evidence of the
>> highway type to dictate the value of the highway tag is good. Recording
>> the sign colour as information in it's own right with a signage=green
>> tag is silly.
>> In other words, it isn't the sign colour you should be recording, it's 
>> whether road is a primary A road or not. The sign colour just happens
>> to be one way of determining that.
> In my crib sheet
> Trunk = green
> Primary = red

That's how they normally render yes. What does that have to do with
the discussion about how to decide what to tag as trunk/primary and
whether or not to record the sign colour?


Tom Hughes (tom at compton.nu)

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