[Talk-us] surface=chipseal vs surface=asphalt

[Harald Kliems]

>From a cycling perspective, chipseal season is dreaded because the loose
aggregate sticks around for a while and will often cause crashes or damage
to tires. A local cycling club this year put up a crowdsourced Google Map
[1] to warn people about fresh chipsealing. But once the loose stuff is all
gone (on city streets here they use street sweepers after a few weeks; on
country roads it just gradually disappears), there isn't really a
meaningful difference that couldn't be captured via the smoothness key. And
sooner or later chipseal repairs will no longer be enough and traditional
mill-and-pave or full reconstruction needs to happen.

I would personally not use the tag, but I guess it is somewhat different
from asphalt paving. And chipseal repairs are common, not only in rural
areas.

 Harald (hobbesvsboyle)

^[1]
https://bombaybicycle.org/content.aspx?page_id=22&club_id=721540&module_id=406381

On Sat, Jan 23, 2021 at 10:52 AM Mateusz Konieczny via Talk-us <
talk-us at openstreetmap.org> wrote:

> I was helping a newbie mapper from US (on Discord) and discovered
> https://en.wikipedia.org/wiki/Chipseal
> https://wiki.openstreetmap.org/wiki/Tag:surface%3Dchipseal
>
>
> https://wiki.openstreetmap.org/w/index.php?title=Tag:surface%3Dchipseal&oldid=1388275
> (how surface=chipseal looked until today)
>
> Is it something considered as substantially different from regular asphalt
> concrete?
>
> Is surface=chipseal valid value or pointless duplicate of surface=asphalt?
>
> Is it something that should be eliminated or used more widely?
>
> Should it be documented at https://wiki.openstreetmap.org/wiki/Key:surface
> or considered as deprecated?
>
> Asking on talk-us first as it appears to be common especially in rural USA.
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