yeah, I agree.. just prodding thought. On Thu, Jul 13, 2017 at 3:21 PM Tod Fitch <[email protected]> wrote:
> At least one routing app I have been using seems to use the turn:lane > tagging [1] convention shown on the wiki. That allows the route guidance to > let you know you should be getting into the turn lane at an appropriate > time. Not sure if the change:lanes [2] tagging is being followed but it > does allow for showing that crossing the solid line is not legal. Between > turn:lanes and change:lanes, I don’t see the need to have a separate way > that doesn’t really exist. > > [1] https://wiki.openstreetmap.org/wiki/Key:turn > [2] https://wiki.openstreetmap.org/wiki/Proposed_features/change > > > On Jul 13, 2017, at 1:14 PM, Eric Ladner <[email protected]> wrote: > > Just to play Devil's advocate: B is probably more TECHNICALLY correct > since a solid white line indicates "lane change discouraged, but not > illegal" and you'd probably want the routing software to indicate where the > turn lane starts, not 200 feet later (esp. in heavy traffic and the lane's > already full of cars). > > Whether it's practical to map it like that or not is another matter. > > On Thu, Jul 13, 2017 at 9:40 AM Tod Fitch <[email protected]> wrote: > >> Case 1: First example is much closer to how I would tag it based on the >> the rule that it should not be a separate way if it is only separated by >> paint. >> >> Case 2: I would not expect the two paths to be considered safe or legal >> where I live in the US (not in Michigan). While there is some effort at >> coordinating traffic laws between states, ultimately it is up to the state >> to define their own rules so it might vary from state to state. >> >> On Jul 13, 2017, at 12:15 AM, Horea Meleg <[email protected]> >> wrote: >> >> Hello all, >> >> Me and my Telenav colleagues are editing lane numbers in Detroit area. We >> have two cases, where any opinion would be appreciated. >> >> *Case 1 * >> >> We are editing lanes and turn lanes and we came across with those 2 >> situations: >> >> 1. 42.4479327, -83.0484338 >> >> <image001.jpg> <image002.jpg> >> >> 1. 42.2826283, -83.3683861 >> >> <image003.jpg> <image004.jpg> >> >> >> >> *Which road geometry do you think is correct edited? The links are edited >> different even that, according to Bing aerial imagery they should be edited >> in the same way. Also, in these situations, each road geometry causes a >> different lane and turn lane tagging. * >> >> *Case 2* >> >> We have this situation: >> >> 42.6515832, -83.1619915 >> >> <image005.jpg> >> >> >> >> *According to US driving rules, are those turns allowed? Are you allowed >> to go on the link if you are coming from South?* >> >> >> >> Thank you, >> >> Horea >> >> >
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