On Sun Apr 26 12:35:57 2015 GMT+0100, Rob Nickerson wrote: > Hi all, > > In the UK (particularly in rural areas) it is common to find a road that > turns 90 degrees to the left or right without a junction (that is the road > just continues and white lines mark it as such). Meanwhile another road may > come in from the other side with a 'give way' style junction. > > Although the road continues round the bend "SatNav" systems often think it > is a junction and tell you to "turn right/left in 100 yards/meters". > > I wonder whether it is possible to indicate this in OpenStreetMap so that > routing engines can omit this redundant instruction. > > == Example picture == > > https://drive.google.com/file/d/0B6J5ZA1hu93bZmx2NTIxaHdfMUE/view?usp=sharing > > In the example Oban Road [1] turns to the right to become the northern > section of Sydnall Road. All main routers tell you to turn right. In my > opinion this is a redundant instruction (or could be better worded). I've > tried to add extra nodes so that the road naturally bends but the main > routing engines still tell you to "turn". > > == Question == > > Could we benefit from a new route relation? For example a "route_continues" > relation? Would others find this useful? > And more importantly, if you need to turn off onto the minor road going straight ahead it remains 'silent'.
I have occasionally used a through_route relation in these cases, but lack of support from routers does make it seem futile. Much like the via way relation, that one is so needed too. Phil (trigpoint) -- Sent from my Jolla _______________________________________________ talk mailing list talk@openstreetmap.org https://lists.openstreetmap.org/listinfo/talk