Tag:hazard=frost_heave

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Public-images-osm logo.svg hazard = frost_heave
MUTCD-ID W8-801.svg
Description
An area where the road is known to bulge because of ice underneath the roadway. Show/edit corresponding data item.
Group: hazards
Used on these elements
may be used on nodesmay be used on waysshould not be used on areasshould not be used on relations (except multipolygon relations)
Useful combination
Status: approvedPage for proposal

A frost heave hazard is an area where the road is known to bulge because of ice underneath the roadway.

How to map

Frost heave hazards may be mapped in the following ways:

  • Place a node node at the location of the frost heave hazard traffic sign, tagged traffic_sign=hazard + hazard=frost_heave.
  • Tag a node node along a highway=* way way at the location of the sign.
  • If the frost heave sign indicates a distance, tag the section way of highway=* where the frost heave hazard is present.

Example

Frost heaves in Vermont, USA