On 28 January 2023 23:17:59 GMT, Peter Elderson <pelder...@gmail.com> wrote:
>Op za 28 jan. 2023 om 23:38 schreef Colin Smale <colin.sm...@xs4all.nl>:
>
>> A form of roundabout common in the Netherlands has an inner ring which is
>> often distinctly coloured and slightly raised, thus making it clear that
>> traffic is intended to avoid it and use the outer ring, while keeping it
>> perfectly usable by most vehicles.
>> Example:
>> https://nl.wikipedia.org/wiki/Rotonde_(verkeer)#/media/Bestand:N746-Noordergraafsingel-Harbrinkhoek.jpg
>>
>>
>
>The raised part is the truck apron. Traffic, including trucks, is not
>dsupposed to use the truck apron. The kerb and the raised part warn the
>trucker who forgets that.
>The roundabout shown there is a true roundabout. Mini-roundabouts do not
>exist in Nederland, but we do have fake roundabouts (dot or circle in the
>middle, possibly raised, no kerb, no roundabout rules.
>Come to mention it, true roundabouts by themselves do not have special
>priority rules in Nederland, just the oneway rule indicated by the
>roundabout traffic signs. However, .priority is almost always indicated by
>at least shark's teeth. If it isn't, traffic from the right has priority,
>same as on regular junctions. (We're driving on the right).
>
>As for diameters, I think the (minimal) turning circle or maximal rigid
>vehicle length is what traffic needs. I am not sure that it can be
>calculated from the diameters of inner centre circle, outer centre circle
>and circumference of the entire traffic area.
Would that not only be relevant if trying to do a U turn (which is illegal at
mini-roundabout).
Phil (trigpoint)
>
>On 28/01/2023 22:12 CET Philip Barnes <p...@trigpoint.me.uk> wrote:
>>
>>
>> Diameter implies there is something circular. The paint is often round,
>> not always, but most are just former T junctions or cross-roads where there
>> is nothing to measure the diameter of .
>>
>> Phil (trigpoint)
>>
>> On 25 January 2023 17:50:54 GMT, Volker Schmidt <vosc...@gmail.com>
>> wrote:
>>
>> Is there an established way to tag the diameter of a mini-roundabout?
>>
>> We have the tag diameter, but I could not find it applied to
>> mini-roundabouts.
>>
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