On Thu, 19 Aug 2021, at 4:07 PM, Kevin Pye wrote:
> The Vicmap TR_ROAD table has a column "restrictions", in which a value '4'
> indicates that the road is private. In the latest version of the data, which
> was released only in the last couple of weeks, there are 158,466 roads with
> that restriction.
Yeah I did implement that actually at
https://gitlab.com/alantgeo/gov2osm-tracks-conflation/-/blob/master/src/vic.js#L22-28
which sets the tag on the feature in MapRoulette.
1: 'motor_vehicle=private', // maintenance vehicles only
2: 'note=seasonal closure', // subject to seasonal closure
4: 'motor_vehicle=no', // permanently closed
5: 'motor_vehicle=private', // private access
7: 'note=dry weather only' // dry weather only
Whether we have enough confidence enough to trust this is the question.
A track appearing in both this dataset and on imagery in my view is enough to
map it as a highway=track. Without an access tag we are saying we aren't sure
and it needs surveying.
If we add the access tag from Vicmap, then in my view that becomes more like an
import and less like armchair mapping which this quest is geared towards? So we
need to decide if we err on the side of caution, omit the tag and let on the
ground surveys fill in those details or blindly trust Vicmap access
restrictions.
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