[Talk-GB] Mapping dangerous - but valid - routes

Craig Wallace craigw84 at fastmail.fm
Tue Dec 6 13:40:02 UTC 2016


On 2016-12-05 16:12, Stuart Reynolds wrote:
> Greetings
>
> At Stirling Corner, on the A1 in Barnet, there is a cycle way (hence
> also available for pedestrians) that goes around the outside of the
> roundabout (http://www.openstreetmap.org/way/78315291). A cursory glance
> at satellite mapping shows it to be well defined, and marked. But it
> will also highlight that where you cross the southbound A1 to the south
> of the roundabout (and likewise the northbound A1 to the north) it is
> highly dangerous. You have to cross three lanes of traffic, and there is
> always a flow of some sort, either from the A1 or from the side roads.

If there isn't any road markings, then tag it as highway=crossing, 
crossing=unmarked.

Any routing software could see that crossing tag, plus the tags for 
lanes and maxspeed etc, and warn it is potentially dangerous.



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