I'd think that frost heaves (which are seasonal and conditions-based) versus permanent bumps are different. If there aren't objections, I'd propose both a hazard=bump (which has a few trace uses) and a new value hazard=frost_heave to cover frost heaves specifically.
On Thu, Dec 3, 2020 at 2:37 PM Adam Franco <[email protected]> wrote: > *hazard=frost_heave, hazard=bump?* > > One of the common road hazards I encounter and would like to tag are large > frost heaves that occur at consistent locations every year. A few roads in > my region like VT-17 and NY-8 have poor roadbeds and get damaged by frost > heaves the first winter after repaving. These roads often have several > hundred yards of nice smooth and fresh pavement, then 2"-8" frost heaves > with cracks that reappear in the same places year after year. > > Some examples: > > - VT-17: section A > <https://www.mapillary.com/map/im/Nisd3iuj_bCdnuSwVBh5zA>, section B > <https://www.mapillary.com/map/im/O-kqJL5OPJI-_RVor2rv4A> (with "BUMP" > sign), section C > <https://www.mapillary.com/map/im/MzW49dK2S78l2ewhhpg5PQ> > - NY-8: section A > > <https://www.google.com/maps/@43.5567706,-74.120767,3a,75y,60.66h,62.7t/data=!3m6!1e1!3m4!1s8wGqO4YlGLPO2JfLpTG7ug!2e0!7i13312!8i6656>, > section B > > <https://www.google.com/maps/@43.5548342,-74.1233648,3a,75y,41.82h,60.46t/data=!3m6!1e1!3m4!1sWntAQT_Hwb2BVYwM5shNRg!2e0!7i13312!8i6656> > > This has been previously mentioned in an OSMUS Slack thread > <https://osmus.slack.com/archives/C2VJAJCS0/p1584560161247300> in regard > to smoothness=*, but tagging particularly bad (and often permanent) > heaves may be preferable as other sections of the roadway may be smooth and > freshly paved. > > Signage on these tends to be inconsistent, often using phrasing like > "BUMP", "CAUTION: FROST HEAVE", "FROST HEAVE AHEAD", or other similar > phrases. In some locations the signs are permanently mounted, while other > locations get folding signage. As these are point features with varying > placement of signage, I would suggest mapping them as nodes on a roadway at > the heave position with something like hazard=frost_heave. Alternatively, > hazard=bump may be applicable to other situations worldwide for dangerous > bumps caused by something other than freeze/thaw cycles. > > Best, > Adam > > On Wed, Nov 25, 2020 at 8:27 AM Brian M. Sperlongano <[email protected]> > wrote: > >> Comment is requested on the proposal "hazard", which describes hazardous >> or dangerous features. This tagging was first proposed in 2007, and I have >> adopted the proposal with permission from the original author. Thanks to >> the various folks that assisted in the development of this proposal prior >> to this RFC. >> >> The key "hazard" has achieved over 28,000 usages, and it is proposed to >> formalize usage of the most popular values of this key while deprecating >> less-popular synonyms. In addition, this proposes to deprecate >> protect_class=16 in favor of the hazard key. >> >> https://wiki.openstreetmap.org/wiki/Proposed_features/hazard >> _______________________________________________ >> Tagging mailing list >> [email protected] >> https://lists.openstreetmap.org/listinfo/tagging >> > _______________________________________________ > Tagging mailing list > [email protected] > https://lists.openstreetmap.org/listinfo/tagging >
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