One of the Pennsylvania LLRW disposal site selection criteria is the proximity of a proposed site to fire protection, police, emergency medical services, and HAZMAT units. CNSI's Site Selection manual specifies that prospective sites will be ranked according to the road distance and travel time required to deliver these services to the site. Which approach to geographic representation is better suited to providing this information? Raster Vector Which approach to geographic representation is better suited to the automated calculation of slope? ORaster Vector