The Road Formation is the surface of finished earthworks on which a road pavement is constructed. It includes the earthworks, the general shaping of the road and basic drainage, but excluding storm water infrastructure
Local Government & Municipal, Glossary of Roads & Transport Terms, (LGAM) Knowledge Base (Encouraging Collaboration & Konowledge Sharing), Australia 2013. http://lgam.wikidot.com/glossary-of-roads-transpor t-terms/p/10, (Road Trfc and Transp Sfty - Brit) {603}