[talk-au] parking and bike lane

Ian Sergeant inas66+osm at gmail.com
Fri Jan 10 03:22:46 UTC 2020

Generally yes.

There are a few different treatments.  The two main ones are where the
straight through cycle traffic remains to the left of a separated barrier.

Best example I can think of is at Ian Parade near concord.


And there is also the fully separated off-ramp on-ramp style treatment.
There are also a few of those around Concord.  And also going through the
large roundabouts at North Nowra.  And other places.

As for cycle-lanes actually going through roundabouts.  Well, the classic
example would be on Darling Drive.  There used to be two where the
cycle-lanes went straight through, and there is one remaining.  It's a
terrible piece of infrastructure though.  There are some others around the
place.  If they don't cross exists they can be okay - but the ones crossing
exits are dangerous.


As much as we'd all like to have OSM to be our representation of how
cycle-friendly a road is, OSM in Sydney is already suffering a fair bit
from people entering their own interpretation of what is cycle
infrastructure.  So, I really think the best thing is to map it as it is.
But appreciate the motivation to try and let others know about the
continuity of a cycle route.


On Tue, 31 Dec 2019 at 19:42, Warin <61sundowner at gmail.com> wrote:

> On 31/12/19 16:42, Ian Sergeant wrote:
> IMO clearly no.
> A router may even prefer to route around roundabouts and prefer a route
> where cycling amenity is actually continuous.  Map it how it is, and the
> router can decide based on the preferences (weightings) of the rider.
> Ian.
> On Mon, 30 Dec 2019, 8:05 am Sebastian S., <mapping at consebt.de> wrote:
>> I agree that if there is nothing marked, however my question was rather
>> from a continuity point of view.
>> The roads into and out of the round about have cycle lanes. The cyclist
>> needs to merge with the road traffic to pass through.
>> Should the roundabout have cycle=designated or yes to ensure routing goes
>> through it?
>> On 30 December 2019 6:56:31 am AEDT, Andrew Harvey <
>> andrew.harvey4 at gmail.com> wrote:
>>> If there's nothing marked on the road in the roundabout, then you can
>>> just omit the cycle lane tag from the roundabout.
>>> On Sun., 29 Dec. 2019, 2:21 pm Graeme Fitzpatrick, <
>>> graemefitz1 at gmail.com> wrote:
>>>> Thanks
>>>> Graeme
>>>> On Sat, 28 Dec 2019 at 16:52, David Wales <daviewales at disroot.org>
>>>> wrote:
>>>>> I prefer to use separate ways for separate foot paths.
>>>> As do I.
>>>>> On 28 December 2019 3:02:30 pm AEDT, Sebastian Spiess <
>>>>> mapping at consebt.de> wrote:
>>>>>> I do welcome comments. In particular regarding how to go about the
>>>>>> cycle way and the roundabout.
>>>> Looks OK to me, but I've also wondered how bike lanes are supposed to
>>>> work through roundabouts, when there's nothing marked on the road?
> For safety I think you will find all bicycle lanes end before any
> roundabout and restart after the roundabout.. helps stop cars exiting over
> cyclists, well it is supposed to...
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