On Sun, Sep 20, 2009 at 1:52 PM, John Smith <deltafoxtrot...@gmail.com>wrote:
> 2009/9/21 Anthony <o...@inbox.org>: > > Not if you are free to cross the center line, for instance to make a left > > turn across oncoming traffic to turn into a driveway. > > I didn't know you can u-turn on most trunk roads legally so why aren't > we showing those as 2 seperate ways? > Using 2 separate ways implies that you can't U-turn, except in places where the two ways are connected. > Just because someone expresses an opinion doesn't mean it is true or > the best way to do something, merely an opinion someone has stated and > others agree with. > Are you suggesting that we should never express our opinions on mailing lists, because expressing them doesn't make them true? > > If you want to treat a residential street with a clearly marked center > line > > and no allowance for U-turns as 2 parallel ways, be my guest. You're > > wasting your time, but I don't see how you're incorrect, as long as you > > connect all the driveways and other locations where people are allowed to > > cross the center line. > > In some places you aren't allowed to u-turn except where signed as a > valid u-turn place. > And in that situation, assuming you *are* allowed to cross the center line to make a left (right if you drive on the other side) turn, it would be easier to represent that as a single way with "uturn=no" than to create 2 parallel ways and connect all the driveways, etc. But either is acceptable to me. A way is a physical feature physically seperated from other ways, > Define "physically separated". > anything joined is a single way but may have 1 or more lanes, if we > could tag lanes this would be a moot argument and this is what we > should be doing, then people wouldn't be trying to join ways with > relations to describe a physical bridge which is a single physical > object. > Do you admit that a physical bridge can carry multiple ways, or not? I guess this will be determined when you define "physically separated". Hopefully you don't ignore this question like you did so many others.
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