National Highway 520 is a National Highway in India. This highway runs entirely in Odisha. This road was passed in year 2002 as N.H. 2I5 initially, this highway was a part of N.H. 215 National Highway 215 Details: National Highway 215 is an Indian National Highway entirely within the state of Orissa. In Orissa it used to covers 348 km This highway is also known as Rimuli-Rajamunda-Barkote Road. Rimuli-Rajamunda 105 kilometres stretch is now NH520 & Rajamunda-Barkote stretch is NH143. NH143 is now Ranchi-Rourkela-Barkote Highway. The highway is maintained by National Highways Authority of India. From Wikipedia