Re: [Talk-us] Schizophrenic highway

2012-09-23 Thread Charlotte Wolter


It intersects with a major road atonly one end. 
After the discussion, I'm sticking with my 
original primary road code. Maybe some day they 
will finish it, but right now it's most just a 
two-lane highway. We'll see if the next iteration 
of Bing photos shows that they are working on it 
again.  At this point, they don't seem to be 
doing anything to finish the work that was started.


Charlotte


At 05:47 PM 9/14/2012, you wrote:


On Sep 14, 2012 7:06 PM, Charlotte Wolter 
mailto:techl...@techlady.comtechl...@techlady.com wrote:
 Â Â Â Â Â Â Â Â I'm working on US 50 near 
Trenton, Ill. Here's the location: 
http://www.openstreetmap.org/edit?lat=38.61248lon=-89.68529zoom=16http://www.openstreetmap.org/edit?lat=38.61248lon=-89.68529zoom=16
 Â Â Â Â Â Â Â Â 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.
 Â Â Â Â Â Â Â Â So how does one tag this, as 
a primary road that just has a couple of cloverleafs?


Probably.  Without looking at aerial 
photography, I'd say it sounds like a super-2, 
or at least a two-lane expressway; the tags 
expressway=yes an/or motorroad=yes might be 
applicable.  Also, if the ends of this improved 
section are near other major roads, then highway=trunk might make sense.


Sorry for the uncertain reply but it's not 
convenient to closely inspect these things on my phone.


Charlotte Wolter
927 18th Street Suite A
Santa Monica, California
90403
+1-310-597-4040
techl...@techlady.com
Skype: thetechlady

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Re: [Talk-us] Schizophrenic highway

2012-09-16 Thread Greg Troxel

Alan Mintz alan_mintz+...@earthlink.net writes:

 At 2012-09-15 16:05, Greg Troxel wrote:

Charlotte Wolter techl...@techlady.com writes:

  I'm working on US 50 near Trenton, Ill. Here's the location:
  http://www.openstreetmap.org/edit?lat=38.61248lon=-89.68529zoom=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.

That sounds like a perfect example of the most difficult case.

 SR-1 south of Oxnard is similar. Here's the location of such a sign
 going northbound: 34.112471°, -119.081681°

Where I'm coming from is that if a stretch of road that is 1 mile long
is separated and has no at-grade intersections, that doesn't make it
feel like a motorway/interstate, because part of the essence of
interstate is that one can drive for extended periods with the
expectation of not encountering an at-grade intersection.  So the
question of whether a 1-mile section of road meets specs is different
From whether that 1-mile section is part of a motorway.

Clearly one shouldn't tag sections as motorway up to intersections and
then make the intersections trunk.  So a motorway really needs at least
some grade-separated interchanges.

There's an alternative view, which is to follow begin/end freeway (not a
federal thing; I don't see those in Massachusetts) for whatever lengths,
and adjust the renderer to demote to trunk if they are short.   But I
see the motorway tag as representing the cartographer's judgement as
what should be shown to the user as being a motorway, and as a road user
I don't think a mile or two section can *be* a motorway, even if that
section meets specs.


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Re: [Talk-us] Schizophrenic highway

2012-09-15 Thread Greg Troxel

Charlotte Wolter techl...@techlady.com writes:

 I'm working on US 50 near Trenton, Ill. Here's the location:
 http://www.openstreetmap.org/edit?lat=38.61248lon=-89.68529zoom=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.

  primary: US highway or road of equivalent social importance.  No other
  requirements

  trunk: more important than primary, and mostly divided, or mostly not
  having at-grade intersections, kind of high speed.  can be jersey
  barriers with at-grade intersections only every mile where it's posted
  50 mph+.   can be interstate-class except with one lane..


So, if this feels like mostly a busy road where you can only go 30 with
stores along it, tag it primary.  if it feels like you can drive 60 in a
50 zone and that's ok, and at-grade intersections are rare, tag it
trunk.   If the part you want to tag trunk is less than say two miles,
don't do it and leave it primary.

For a reasonable example, look at route 2 in massachusetts.  culturally,
MA-2 is as important as US 20 (at least for us north-half residents :-),
and sometimes it's motorway, sometimes trunk, and sometimes just
primary.




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Re: [Talk-us] Schizophrenic highway

2012-09-15 Thread Clay Smalley
On Sat, Sep 15, 2012 at 6:05 PM, Greg Troxel g...@ir.bbn.com wrote:

   I would not tag something as
   motorway when it's only sometimes motorway unless it's ~10 miles long.
Going off this: I remember a discussion earlier about this sort of
thing. Someone (I forgot who) said that the Is this a freeway?
question should be asked about every 5-10 miles.

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Re: [Talk-us] Schizophrenic highway

2012-09-15 Thread Alan Mintz

At 2012-09-15 16:05, Greg Troxel wrote:


Charlotte Wolter techl...@techlady.com writes:

 I'm working on US 50 near Trenton, Ill. Here's the location:
 http://www.openstreetmap.org/edit?lat=38.61248lon=-89.68529zoom=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 alan_mintz+...@earthlink.net


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Re: [Talk-us] Schizophrenic highway

2012-09-15 Thread John F. Eldredge
Clay Smalley claysmal...@gmail.com wrote:

 On Sat, Sep 15, 2012 at 6:05 PM, Greg Troxel g...@ir.bbn.com wrote:
 
I would not tag something as
motorway when it's only sometimes motorway unless it's ~10 miles
 long.
 Going off this: I remember a discussion earlier about this sort of
 thing. Someone (I forgot who) said that the Is this a freeway?
 question should be asked about every 5-10 miles.
 
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There is one ring-road route in Nashville, Briley Parkway, that is partly 
limited-access road of motorway quality, and part ordinary street with traffic 
lights, intersecting driveways, and the like.  About half of the 
ordinary-street section is only two lanes wide.

Just to add to the confusion, some of the streets that were joined together to 
complete the ring kept their original names, meaning that the name changes 
every two or three miles.

-- 
John F. Eldredge --  j...@jfeldredge.com
Reserve your right to think, for even to think wrongly is better than not to 
think at all. -- Hypatia of Alexandria

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[Talk-us] Schizophrenic highway

2012-09-14 Thread Charlotte Wolter

Hello,

I'm working on US 50 near Trenton, Ill. Here's the location: 
http://www.openstreetmap.org/edit?lat=38.61248lon=-89.68529zoom=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?


Charlotte


Charlotte Wolter
927 18th Street Suite A
Santa Monica, California
90403
+1-310-597-4040
techl...@techlady.com
Skype: thetechlady

The Four Internet Freedoms
Freedom to visit any site on the Internet
Freedom to access any content or service that is not illegal
Freedom to attach any device that does not interfere with the network
Freedom to know all the terms of a service, particularly any that 
would affect the first three freedoms.
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Re: [Talk-us] Schizophrenic highway

2012-09-14 Thread Kristian M Zoerhoff
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1

On 2012-09-14 18:02, Charlotte Wolter wrote:
 Hello,
 
 I'm working on US 50 near Trenton, Ill. Here's the location: 
 http://www.openstreetmap.org/edit?lat=38.61248lon=-89.68529zoom=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?

A similar situation with US 20 in Freeport, IL is tagged trunk, and
I'd go with that here as well, though primary is not an incorrect
choice. IDOT has been building these staged bypasses for years now;
they start out 2 lanes, but with 4 lanes' worth of ROW reserved for
future construction of an at-grade expressway (and overpasses sized to
match, as you noted).

Motorway would be an incorrect choice, in my opinion.


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