length of roads in an area

Hello,

I am wondering if there is any method to determine the length of a number of road
segments (total length) within a given area (vector length within raster area).

I can do a v.to.rast on the roads and run r.report, but this is not ideal.

Any ideas?

THanks.

-Eric Lambert

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Eric Lambert
ENE Division OR GIS Labratory/Geography
P.O. Box 9005 318 Davenport Hall
Champaign, IL 61826-9005 Urbana, IL 61801

E-mail:lambert@gis.uiuc.edu Lab#: (217) 333-5919