Re: [Talk-us] HOV lane tagging

[Paul Johnson]

On Tue, Nov 15, 2016 at 4:59 PM, Jack Burke  wrote:

> Something about some HOV access tags I've seen have been bothering me.
>
> Some of the interstates through Atlanta have designated HOV-only lanes.
> In looking at the attributes on them, someone has added
> hov:lanes=designated|yes|yes|yes|yes {etc.} to them.
>
> However, after reviewing the wiki for the "designated" tag, it doesn't
> appear to _exclude_ other modes of transport--just using the
> hov:lanes=designated tag on the leftmost lane still implies that non-HOV
> transportation is allowed.  For example, motorcycles are allowed, but
> single-passenger cars are not, but the current tagging doesn't appear to
> prohibit single-passenger cars, if I'm reading the wiki right.
>
> Reading up on the access tag leads me to think that it would be better to
> include access:lanes=no|yes|yes|yes|yes {etc.} to preclude non-HOV
> traffic, as well as add motorcycle:lanes=yes|yes|yes|yes|yes {etc.}
>
>
> For example, the section of northbound I-75/I-85 under this marker
>
> http://osm.org/go/ZQqq80Lkl-?layers=N=
>
>
> currently has the tag
>
> hov:lanes=designated|yes|yes|yes|yes|yes|yes
>
> Am I correct in thinking that it would be right to add these tags, too:
>
> access:lanes=no|yes|yes|yes|yes|yes|yes
> motorcycle:lanes=yes|yes|yes|yes|yes|yes|yes
>

Sounds about right.  Though if it's also physically separated by some form
of barrier (Texas seems to strongly favor rows of plastic bollards if not
outright concrete barriers, for example), then mapping it as a separate way
would be more appropriate.  Too lazy to check the aerial imagery to see
what exactly applies here.
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Re: [Talk-us] HOV lane tagging

[Jack Burke]

I also thought that it would contradict the other tags.  But, the wiki page
http://wiki.openstreetmap.org/wiki/Tag:access%3Ddesignated seems to pretty
much say we're both wrong on that score:

"The value *designated* is not meant to imply that OpenStreetMap access
=* permissions have been
automatically 'designated' *only* to that transport mode! If an element is
meant *only* to be used by specific designated transport methods
(overriding whatever defaults may exist for that way), use access
=no
 in addition of the *
=designated value."

I say "seems to," which is why I wanted to ask for clarification.  With
respect to the HOV lanes, it matters greatly, because there are certain
interstate exits that are HOV-only which a router shouldn't choose those to
get somewhere if you're not carrying multiple passengers in your car (which
is pretty much the default in the U.S.).

--jack


On Tue, Nov 15, 2016 at 6:13 PM, Elliott Plack 
wrote:

> Jack,
>
> Good question. I am curious about the answer as well, specifically
> regarding bicycle lanes, which can be added using this method.
>
> Setting a right side bike lane to ...yes|designated doesn't preclude other
> vehicles from accessing the right lane, as you said.
>
> I thought about adding |no for regular access, but wouldn't that general
> access contradict the other tags?
>
> The Mapbox data team has been doing lots of turn lane tagging around the
> US [1], so perhaps a member of the team there can provide insight on this.
>
> Elliott
>
> [1] = https://www.mapbox.com/blog/la-turn-lanes-map/
>
> On Tue, Nov 15, 2016 at 6:01 PM Jack Burke  wrote:
>
>> Something about some HOV access tags I've seen have been bothering me.
>>
>> Some of the interstates through Atlanta have designated HOV-only lanes.
>> In looking at the attributes on them, someone has added
>> hov:lanes=designated|yes|yes|yes|yes {etc.} to them.
>>
>> However, after reviewing the wiki for the "designated" tag, it doesn't
>> appear to _exclude_ other modes of transport--just using the
>> hov:lanes=designated tag on the leftmost lane still implies that non-HOV
>> transportation is allowed.  For example, motorcycles are allowed, but
>> single-passenger cars are not, but the current tagging doesn't appear to
>> prohibit single-passenger cars, if I'm reading the wiki right.
>>
>> Reading up on the access tag leads me to think that it would be better to
>> include access:lanes=no|yes|yes|yes|yes {etc.} to preclude non-HOV
>> traffic, as well as add motorcycle:lanes=yes|yes|yes|yes|yes {etc.}
>>
>>
>> For example, the section of northbound I-75/I-85 under this marker
>>
>> http://osm.org/go/ZQqq80Lkl-?layers=N=
>>
>>
>> currently has the tag
>>
>> hov:lanes=designated|yes|yes|yes|yes|yes|yes
>>
>> Am I correct in thinking that it would be right to add these tags, too:
>>
>> access:lanes=no|yes|yes|yes|yes|yes|yes
>> motorcycle:lanes=yes|yes|yes|yes|yes|yes|yes
>>
>> Thanks for any feedback!
>>
>> --jack
>>
>> ___
>> Talk-us mailing list
>> Talk-us@openstreetmap.org
>> https://lists.openstreetmap.org/listinfo/talk-us
>>
> --
> Elliott Plack
> http://elliottplack.me
>
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Re: [Talk-us] HOV lane tagging

[Elliott Plack]

Jack,

Good question. I am curious about the answer as well, specifically
regarding bicycle lanes, which can be added using this method.

Setting a right side bike lane to ...yes|designated doesn't preclude other
vehicles from accessing the right lane, as you said.

I thought about adding |no for regular access, but wouldn't that general
access contradict the other tags?

The Mapbox data team has been doing lots of turn lane tagging around the US
[1], so perhaps a member of the team there can provide insight on this.

Elliott

[1] = https://www.mapbox.com/blog/la-turn-lanes-map/

On Tue, Nov 15, 2016 at 6:01 PM Jack Burke  wrote:

> Something about some HOV access tags I've seen have been bothering me.
>
> Some of the interstates through Atlanta have designated HOV-only lanes.
> In looking at the attributes on them, someone has added
> hov:lanes=designated|yes|yes|yes|yes {etc.} to them.
>
> However, after reviewing the wiki for the "designated" tag, it doesn't
> appear to _exclude_ other modes of transport--just using the
> hov:lanes=designated tag on the leftmost lane still implies that non-HOV
> transportation is allowed.  For example, motorcycles are allowed, but
> single-passenger cars are not, but the current tagging doesn't appear to
> prohibit single-passenger cars, if I'm reading the wiki right.
>
> Reading up on the access tag leads me to think that it would be better to
> include access:lanes=no|yes|yes|yes|yes {etc.} to preclude non-HOV traffic,
> as well as add motorcycle:lanes=yes|yes|yes|yes|yes {etc.}
>
>
> For example, the section of northbound I-75/I-85 under this marker
>
> http://osm.org/go/ZQqq80Lkl-?layers=N=
>
>
> currently has the tag
>
> hov:lanes=designated|yes|yes|yes|yes|yes|yes
>
> Am I correct in thinking that it would be right to add these tags, too:
>
> access:lanes=no|yes|yes|yes|yes|yes|yes
> motorcycle:lanes=yes|yes|yes|yes|yes|yes|yes
>
> Thanks for any feedback!
>
> --jack
>
> ___
> Talk-us mailing list
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> https://lists.openstreetmap.org/listinfo/talk-us
>
-- 
Elliott Plack
http://elliottplack.me
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[Talk-us] HOV lane tagging

[Jack Burke]

Something about some HOV access tags I've seen have been bothering me.

Some of the interstates through Atlanta have designated HOV-only lanes.  In
looking at the attributes on them, someone has added
hov:lanes=designated|yes|yes|yes|yes {etc.} to them.

However, after reviewing the wiki for the "designated" tag, it doesn't
appear to _exclude_ other modes of transport--just using the
hov:lanes=designated tag on the leftmost lane still implies that non-HOV
transportation is allowed.  For example, motorcycles are allowed, but
single-passenger cars are not, but the current tagging doesn't appear to
prohibit single-passenger cars, if I'm reading the wiki right.

Reading up on the access tag leads me to think that it would be better to
include access:lanes=no|yes|yes|yes|yes {etc.} to preclude non-HOV traffic,
as well as add motorcycle:lanes=yes|yes|yes|yes|yes {etc.}


For example, the section of northbound I-75/I-85 under this marker

http://osm.org/go/ZQqq80Lkl-?layers=N=


currently has the tag

hov:lanes=designated|yes|yes|yes|yes|yes|yes

Am I correct in thinking that it would be right to add these tags, too:

access:lanes=no|yes|yes|yes|yes|yes|yes
motorcycle:lanes=yes|yes|yes|yes|yes|yes|yes

Thanks for any feedback!

--jack
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