[Tagging] tagging no truck access in US

[Apollinaris Schoell]

On 19 Nov 2010, at 8:58 , Pieren wrote:

> On Fri, Nov 19, 2010 at 3:47 PM, M∡rtin Koppenhoefer <dieterdreist at gmail.com> wrote:
> 
> The hgv-class is defined for vehicles over 3.5 t, if your legislation
> has different weight limits I'd suggest to introduce a different
> value/key and document that on the access-page in the wiki.
> 
> 
> No, why ? If the min/max weight is different, then improve the "Heavy Goods Vehicle" definition to local laws and don't create a new key saying the same thing. This will simplify to live of editors, developers and data consumers. Look what was done for primaries, secondaries, etc. They don't have a different name just because the speed limit is different in each country:
> http://wiki.openstreetmap.org/wiki/OSM_tags_for_routing/Maxspeed
> http://wiki.openstreetmap.org/wiki/OSM_tags_for_routing/Access-Restrictions

fully agree, the legislation is very similar in US and Europe. just the weight limits differ. hgv is a generic term yhst we shouldn't use 3.5t. And in some countries there are 2 limits. one for small trucks and real heavy trucks ( around 7t). usually only the heavy trucks are limited. trucks above 3.5t need a different drivers license but are rarely limited for access.
a tag like hgv shouldn't have a exact weight limit. instead a router can use the implicit limits defined by local legislation or aan explicit limit on signs

> 
> Pieren
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