Nice summary: thanks, Robert.
In the Netherlands:
(a) Yes, this is true: if there is no sidewalk (very common outside the
built-up area).
(b) This is only true if there is a sidewalk; if there is no sidewalk,
see (a). Different countries have different rules.
(c) This is generally true on footpaths and pedestrian areas (unless
otherwise signed).
(d) Yes, if it is a pedestrian zone / signed footpath (=no cycling) and
also specifically signed 'no pushed bicycles' (quite rare)
In the Netherlands, the default for all cycleways is (or should be)
foot=yes if there is no adjacent sidewalk in OSM.
Since it is the default, it is often not explicitly tagged.
The regulations here say that when you push a bike/moped/motorcycle you
follow the traffic rules for pedestrians.
Therefore, pushing a bike/moped/motorcycle on a cycleway is allowed by
default and does not need explicit tagging in NL.
The default for all footways and pedestrian zones is bicycle=no (no
cycling). Pushing a bike etc. is allowed by default.
In a small number of cases only is a new tag needed for the 'no bike
pushing' situation.
(I retract my previous claim that bicycle=no will cover those cases.)
On 11 October 2013 12:55, Robert Whittaker wrote:
To make the case for this clearer, consider the following. There are
four combinations of access for bicycles and cyclists, depending on
whether you are allowed to cycle and/or allowed to
push a bike:
(a) Cycling and pushing both allowed
(b) Cycling allowed, but pushing not allowed
(c) Cycling not allowed, but pushing is allowed
(d) Neither cycling nor pushing allowed
I beleive all of these combinations are possible in real life. In the
UK (a) would be a normal cycleway that's shared with pedestrians, (b)
could occur on a cycleway that's only for cyclists (i.e. no
pedestrians allowed), (c) would be the case of (e.g.) a narrow bridge
on a cycle route, where "dismount" signs are shown, or a typical
pedestrian shopping street with "no cycling" signs, and (d) would be
an area/route explicitly signed as e.g. "no bicycles not even pushed"
(Oxford University Parks used to be like this until a couple of years
ago).
Clearly if you are travelling with a bike you would want to
distinguish between at least (a)/(b) vs. (c) vs. (d), to determine
where you can go with your bike and at what pace.
Currently the tagging used is bicycle=yes/no/dismount. The problem
with this is that while bicyle=dismount unambiguously indicates (c),
people have used bicycle=no for both (c) and (d) -- interpreting it as
either "no cycling" or "no bicycles". Also (although less importantly)
using bicycle=yes offers no way to explicitly distinguish between
cases (a) and (b).
I would therefore propose a new access tag be introduced to capture
information about whether pushing a bike is allowed. I'll call this
bicycle_pushed for now, but the actual name is something that can be
discussed and agreed upon later.
With this tag and the existing bicycle=* access tag (whose values are
now taken, as I believe was originally intended, to apply to 'cycling'
rather than 'bicycles'), it is now possible to unambiguously
distingiush between the four cases above:
(a) bicycle=yes + bicycle_pushed=yes
(b) bicycle=yes + bicycle_pushed=no
(c) bicycle=no + bicycle_pushed=yes
(d) bicycle=no + bicycle_pushed=no
bicycle=dismount is then deprecated, and the same information captured
by using bicycle=no + bicycle_pushed=yes (i.e. no cycling, but you can
push your bike).
For actual tagging use, It might be worth considering that whether, in
the absense of a bicycle_pushed tag, the presense of foot=yes implies
you can push a bicycle on that route -- which is probably a sensible
default in most of the world. Although we would have to think
carefully about how to handle the case of people who have previously
tagged bicycle=no to indicate case (d).
Robert.
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