Australian Rail Track Corporation (ARTC) are responsible for managing over 10,000 kilometres of the National Interstate Rail network, including 650 kilometres of regional rail links in NSW and the 310 kilometre Hunter Valley Coal Rail network. The Liverpool Range New Rail Alignment Project is a feasibility assessment for potential new alignment options through 30km of the Liverpool Range in north-western NSW. KMH were commissioned by ARTC to provide advice on the environmental constraints present in the area and thereby assist ARTC determine a number of shortlisted options for further investigation. GIS was used extensively in this project to map potential constraints and identify the likely impacts resulting from development on the environment and community resources