[Talk-us] One-way Wrong-way

[Richard Weait]

On Mon, May 3, 2010 at 3:49 PM, Val Kartchner <val42k at gmail.com> wrote:
> I was using the OSM maps on my Garmin just to test the routing.  With
> the OSM data, it sometimes picks strange routes.
>
> However, last Saturday it picked a really strange route suggesting a
> dirt road next to the freeway instead of the freeway itself.  Today I
> looked at the route, and Cloudmade made a similar strange routing
> decision.  I found that one segment of the freeway was the wrong way.
>
> I have fixed this segment.  I have also previously fixed on and off
> ramps that were the wrong way.  Would someone write a 'bot that would go
> through the database and see if there are segments that have similar
> problems?  These should be flagged and put on some list for manual
> checking.  Actually any one-way streets that make no sense should be
> flagged.  (Things like a one-way dead-end street.)

I map every one way, dead end street I can find.

And as for finding and fixing wrong-way segemetns and other motorway
problems have a look at
http://wiki.openstreetmap.org/wiki/Waychains_TIGER_fixup