[Tagging] Classifying roads from Trunk to Tertiary and Unclassified
pla16021 at gmail.com
Mon Aug 12 16:59:10 UTC 2019
On Mon, 12 Aug 2019 at 17:27, Joseph Eisenberg <joseph.eisenberg at gmail.com>
> So to put it together
> 0) Motorway
> 1) Trunk - national roads; the main roads that connect provinces to
> other provinces and cities to other cities. Start/end at cities.
> 2) Primary - main road that connect districts (the level below
> provinces) to other districts, and towns to other towns and cities.
> Start/end at towns (or cities).
> 3) Secondary - connect sub-districts to others, and villages to larger
> towns, by connecting to a primary road at some point. Not the main
> route in a district.
> 4) Tertiary - connect villages and hamelts to other villages, and
> connect to a secondary (or primary) road. Not the main route in a
> 5) Unclassified - connects hamlets and isolated dwellings to villages
> and larger areas, by connecting to a tertiary, secondary or primary
> road. Never a major through-route.
Looks sensible and usable to me. Although looking at your changeset
your fellow mappers seem to think that a couple of houses along a road make
a residential road. Here are some examples you might wish to show them to
Here are a couple of houses along the A487 (the trunk road linking
Fishguard to Bangor, mostly
single carriageway with short sections of dual carriageway such as the
Here's the same A487 passing through the hamlet of Blaenannerch:
Here's the same A487 passing through the town of Aberaeron:
Here's the same A487 passing through the city of Aberystwyth:
Having such a route switch from being a trunk road to a residential every
time there were
a few houses (or even a lot of houses) would not be very helpful to
somebody trying to
plan a journey from Fishguard to Bangor. It would certainly make it a lot
harder to figure
out, in advance, how you'd traverse Aberystwyth.
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