Gore Hill Freeway
…in 1992. National Route 1 was replaced by Metroad 1, and State Route 28 was replaced by Metroad 2, in 1993; Metroad 2 was eventually removed when the Lane Cove Tunnel opened in 2007. With the conversion to the newer alphanumeric system in 2013, Metroad 1 was replaced by route M1. Gore Hill Freeway is entirely contained…