Wearing Course 1 : (1) That part of pavement upon which the traffic travels. (2) That part of the pavement specifically designed to resist abrasion from traffic and to minimise the entry of water
Peter Milne and Kieran Sharp, ARRB Group, and Bob Ungers, consultant, Austroads Glossary of Terms (4th Ed.), Austroads Ltd., Sydney, NSW, Australia 2010. http://www.bicyclensw.org.au/files/u1/Austroads_Gl ossary_of_Terms_4th_edition.pdf (Road Trfc and Transp Sfty - Brit) {529}