Lead-Lag Right-Turn Phasing : A phase sequence that commences with a fully-controlled leading right turn from one approach, followed by a through phase, and terminates with a lagging right turn from the opposing approach
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}