Site3D is a fully featured software product for the engineering design of road systems and housing developments. Quickly and accurately design whole sites including roads, junctions, roundabouts, footways, surface interfacing, contours, volumes, drainage, housing and more. Site3D is a powerful software tool for the 3D engineering design of road schemes and infrastructure. Comprehensive facilities include tools for road placement in horizontal and vertical, automated junctions and roundabouts, varying carriageway width, spiral curve transitions, super-elevation, interface grading, earthworks, ponds and drainage.