Thanks for diving in. If it's a very minor unimproved road and not
clearly service, I usually tag it track. I would suggest adding some
indication of road quality. If it's an improved gravel road, I
consider surface=gravel sufficient. If it's rougher than an improved
gravel road, surface=unpaved (in my area the surface is usually a mix of
dirt, rocks, gravel, so unpaved seems best), and smoothness=very_bad
(high clearance), or horrible (4wd)
[https://wiki.openstreetmap.org/wiki/Key:smoothness], or 4wd_only=yes .
The USFS motor vehicle use maps (MVUM) are very useful.
I think most of the road signs say FS, and most of the tags in my area
use FS, but the wiki
(https://wiki.openstreetmap.org/wiki/United_States_roads_tagging#National_Forest_Road_System)
says to use FR . I don't know the history, or if it really matters.
If someone is reading a map & it says FR or FS, they probably won't even
notice.
Keep this in mind when getting frustrated with the tiger data, I think
we would have next to nothing if it didn't get imported.
Brad
On 7/19/20 5:50 PM, Dave Swarthout wrote:
Mike, welcome to the real world. Tiger street data is better than
nothing but not much. It's positionally inaccurate and many roads are
wrongly classified. a rough guide at best. I do use the Tiger Roads
2019 overlay to add names to streets and roads though. The names are
reasonably accurate in my experience.
On Mon, Jul 20, 2020 at 5:57 AM Mike Thompson <[email protected]
<mailto:[email protected]>> wrote:
On Sun, Jul 19, 2020 at 4:49 PM <[email protected]
<mailto:[email protected]>> wrote:
For
roads that appear to be public access (e.g. to go to a lake)
but are
obviously even more minor than tertiary roads I label
highway=unclassified.
highway=unclassified are for roads that connect small towns, or
for "local traffic", while access to a lake could be considered
"local traffic", I would think it would be better if these would
be highway=service, or highway=track.
The US Topo map gives forest road references so I add ref FS xxxx.
That is what I have been doing as well. Some are recommending that
they be made into route relations, which I am starting to do.
TIGER seems to be at best very coarse, at worst fictional.
+1
Mike
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Dave Swarthout
Homer, Alaska
Chiang Mai, Thailand
Travel Blog at http://dswarthout.blogspot.com
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