[OSM-talk] Roundabouts - why is a separate segment required?

[Dave F]

On 15/02/2018 09:33, Andy Townsend wrote:
> On 14/02/2018 18:57, Dave F wrote:
>>
>>
>> On 14/02/2018 18:32, Andy Townsend wrote:
>>> Having one exit node not joined to the next entry node better 
>>> represents the real-world situation*.
>>
>> Disagree.
>> Sharing a node should make no difference to the real world or a 
>> router's perception of it. 
>
> With separate nodes, you travel along the roundabout way for a small 
> distance (as you do in real life).  With a shared node, you don't. 
> They're topologically different.

Again, the way containing the shared node has junction=roundabout in it. 
You are entering & exiting a roundabout

DaveF