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Calculate the slope of a road

Question asked by gis_users on Mar 8, 2012
Latest reply on Mar 8, 2012 by GAlallasundaram-esristaff

I need your help to calculate the slope of a road feature class.

My data are :
- an elevation surface
- a polyline feature class

My softwares are :
- ArcInfo 10
- Spatial Analyst

I just would like to know the best way to do this because I don't know well Spatial Analyst.

Thanks for your help/advice...