Go to ExpressPCB.com and click on "Tips for Making PC Boards".  Scroll down
and they have a list of trace widths vs. current.  Very helpful.  In case you
don't have time .012 will carry 325ma, .100 trace will carry 4 amps.

Sid

--
http://www.piclist.com hint: The PICList is archived three different
ways.  See http://www.piclist.com/#archives for details.