At 2012-09-15 16:05, Greg Troxel wrote:
Charlotte Wolter <[email protected]> writes:
> I'm working on US 50 near Trenton, Ill. Here's the location:
> http://www.openstreetmap.org/edit?lat=38.61248&lon=-89.68529&zoom=16
> It looks like, at one point there were plans to turn this into
> a motorway. In two spots in a 25-mile stretch, intersections have been
> turned into cloverleafs and the highway divided. In other locations,
> roads that used to intersect US 50 have been turned into
> overpasses. There are even a couple of bridges for a second lane but
> no evidence of any construction work actually to build that lane. The
> vast majority of the highway is still two-lane blacktop.
> So how does one tag this, as a primary road that just has a
> couple of cloverleafs?
My take is:
motorway: truly meets interstate specs for extended periods - multi
lane, no at-grade intersections. I would not tag something as
motorway when it's only sometimes motorway unless it's ~10 miles long.
US101 near Ventura, CA, goes back and forth among freeway/primary/trunk
over relatively short stretches. There are, however, "Begin Freeway" and
"End Freeway" signs that tell you exactly which sections are motorway. This
might be a DOT requirement.
SR-1 south of Oxnard is similar. Here's the location of such a sign going
northbound: 34.112471°, -119.081681°
--
Alan Mintz <[email protected]>
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