Adding impedance to edge of road net work data set from another shapefile 'z' value

Discussion created by jisromal on Aug 17, 2010
Latest reply on Aug 30, 2010 by jisromal
I am looking for an optimum path where road/edge impedance is a variable and that is available in shape file formate (x(longitude),y(latitude),z(value)). I want to add z value to network data set as impedance. Kindly help me.