[OSM-newbies] New to the neighborhood, 1st questions

[Mike Sherman]

Hello,
I'm just getting started.  I have a Palm M515 with a Navman 
GPS and cotoGPS.  I have recorded a bunch of traces, uploaded 
them to OSM, and edited the map with Potlatch.  I've added a 
number of roads on the East side of Cleveland, OH, USA.

But I seem to have propagated an error.  One of the roads
that had already been added to OSM, Interstate 71, running
north from the Cleveland Hopkins airport, has a problem.
It is a divided, limited access highway and on the render
(Mapnik and Osmarender) both ways show arrow indicating the
oneway direction to be the same direction.  The section of
Interstate 90 that I entered has the same problem.

My guess is that the direction is derived from the order
you enter the points for the way.  Is that true?

Can this error be corrected in Potlatch?  

Thanks,
-Mike in Willoughby, OH, USA

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  Mike Sherman	                          <mike.sherman at earthlink.net>