Re: [talk-au] access=destination

2010-01-24 Thread Roy Wallace
On Sat, Jan 16, 2010 at 3:01 PM, Roy Wallace waldo000...@gmail.com wrote:

 ... I've emailed QLD gov and Brisbane CC about what the signs mean,
 though I'm not holding my breath for a response...

An email response from the Road Safety  System Management Division,
Department of Transport and Main Roads (QLD):

---

The 'Local Traffic Only' sign is an advisory sign only and is not
regulatory. An extract from the MUTCD is produced below.

20.3.3 Local traffic only (G9-40-1) The LOCAL TRAFFIC ONLY sign may
be used at the entrance to a local area to advise road users that the
street is not intended for through traffic.

This sign may be installed by either The Department of Transport and
Main Roads or Local Government with the appropriate delegation.

It is an advisory sign to all road users advising the street is not
intended to be used by through traffic, however vehicles are the
primary target (bicycles and pedestrians are generally not an issue).

---

Suggestions for tagging, then?

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Re: [talk-au] access=destination

2010-01-24 Thread Liz
On Mon, 25 Jan 2010, Roy Wallace wrote:
 On Sat, Jan 16, 2010 at 3:01 PM, Roy Wallace waldo000...@gmail.com wrote:
  ... I've emailed QLD gov and Brisbane CC about what the signs mean,
  though I'm not holding my breath for a response...
 
 An email response from the Road Safety  System Management Division,
 Department of Transport and Main Roads (QLD):
 
 ---
 
 The 'Local Traffic Only' sign is an advisory sign only and is not
 regulatory. An extract from the MUTCD is produced below.
 
 20.3.3 Local traffic only (G9-40-1) The LOCAL TRAFFIC ONLY sign may
 be used at the entrance to a local area to advise road users that the
 street is not intended for through traffic.
 
 This sign may be installed by either The Department of Transport and
 Main Roads or Local Government with the appropriate delegation.
 
 It is an advisory sign to all road users advising the street is not
 intended to be used by through traffic, however vehicles are the
 primary target (bicycles and pedestrians are generally not an issue).
 
 ---
 
 Suggestions for tagging, then?
 

Great work Roy
(not providing any suggestions)
Last time I emailed RTA (NSW) for information was June 09
I'm still awaiting the reply.

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Re: [talk-au] access=destination

2010-01-24 Thread Roy Wallace
On Mon, Jan 25, 2010 at 3:53 PM, Liz ed...@billiau.net wrote:

 Great work Roy

Cheers :)

 (not providing any suggestions)

Alright how's this

  It is an advisory sign to all road users advising the street is not
  intended to be used by through traffic, however vehicles are the
  primary target (bicycles and pedestrians are generally not an issue).

Unfortunately, this response is still a little unclear. But I would
read that generally not an issue here means excluded. Please let
me know if you disagree (in which case, you in fact aren't allowed to
*walk* through a Local Traffic Only sign, and access=destination is
the correct tag to use).

So, if everyone agrees that response means bicycles/pedestrians are
excluded, then from http://wiki.openstreetmap.org/wiki/Key:access we
could use:

vehicle=destination (which - perhaps wrongly - includes bicycles), or
motor_vehicle=destination (which - perhaps wrongly - excludes a horse
and carriage).

motor_vehicle=destination seems best to me.

I'd propose, for tags in Queensland (and possibly elsewhere in AU):

1) a bulk change of access=destination to motor_vehicle=destination +
FIXME=does access=destination really apply to bicycles/pedestrians
here?
2) an update to
http://wiki.openstreetmap.org/wiki/Australian_Tagging_Guidelines
recommending the use of motor_vehicle=destination +
motor_vehicle:source=Local Traffic Only sign in these cases.

I propose a bulk update because a) I can't think of any other reason
why access=destination would be applied to ways in Queensland, other
than due to the observance of Local Traffic Only sign, and b) this
reportedly adversely affects foot routing, so it should be fixed.

  The 'Local Traffic Only' sign is an advisory sign only and is not
  regulatory.

I don't think this is important, but this could be specified using
motor_vehicle:regulatory=no (or inferred from
motor_vehicle:source=Local Traffic Only sign)

Thoughts?

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Re: [talk-au] access=destination

2010-01-24 Thread Stephen Hope
2010/1/25 Roy Wallace waldo000...@gmail.com:

  The 'Local Traffic Only' sign is an advisory sign only and is not
  regulatory.

 I don't think this is important, but this could be specified using
 motor_vehicle:regulatory=no (or inferred from
 motor_vehicle:source=Local Traffic Only sign)


Actually, this is the important bit.  By saying it is not regulatory
means that it can not be enforced. I am legally allowed to drive past
a Local traffic sign and totally ignore it.  By the definitions in
the Wiki, this means it should be tagged access=yes {The public has an
official, legally-enshrined right of access}.  We could also skip the
tag entirely, as this is assumed the default.

A Local Traffic sign is a recommendation, not a law. As such, it is
sort of the opposite of access=designated, which is designed to show
places we would prefer certain vehicles to go, this is designed to
show places we would prefer them not to. We don't actually have a tag
for this at the moment, maybe we need one.

 I propose a bulk update because a) I can't think of any other reason
 why access=destination would be applied to ways in Queensland

I can think of quite a few ways which should be marked
access=destination in QLD.  Almost any large factory or industrial
complex has some sort of access road, some of which are quite long and
mapped.  Access to these is (theoretically) restricted to people
visiting the factory, though enforcement varies.  Roads through
Enoggera barracks and similar places are similarly restricted. We
don't want routing software trying to take anybody through these, even
if you're on foot.

Maybe we need to do a data extract and look at how many such tags
exist - ie how big a problem it is.  There may be few enough that we
can do some sort of check before we do any automated changing.

Stephen

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