The following proposals were endorsed at one time or another by the government: There were differing plans as to how the line would integrate into the rest of Sydney's transport system. The line was announced, cancelled and re-announced several times beginning in the 1990s. Planning for the original North West Rail Link which later became known as Sydney Metro Northwest was a long and complex affair.
The Epping to Chatswood rail link under construction in February 2005.
