From Creative Engineering Australia:
HighRoad is an interactive graphical application for the geometric design of roads and highways. Its intelligent object design and highly intuitive interface allows for fast and flexible design. Design roads as you always have - graphically. HighRoad uses a fully integrated graphical interface tailored for civil engineers. The program's highly intuitive design means you can pick up HighRoad immediately without being a computer expert or learning complicated commands. HighRoad's interface combined with its built-in intelligence results in fast and interactive road design that produces results quickly.