Shapefile of national roads (Class A and Class B), digitized from Sri Lanka's National Road Master Plan. The road shapefile is topologically correct, i.e. ready to be used for a road network. Class A Roads: Inter-provincial trunk roads connecting major cities and ports Class B Roads: Intra-provincial arterial roads connecting major urban areas Sri Lanka's National Road Master Plan can be found online here: http://www.rda.gov.lk/supported/noticeboard/publications/nrmp_executiveS...