Added Calder Highway alignment to Mildura
Added older way so there isn't a gap before 1966
Updated alignment that is only after 1955 to trunk road
Original Calder Highway Alignment
Add end dates to roads under Hume Highway
Extrapolated National Route 1 Alignment through Melbourne CBD before King's Bridge Opened in 1961
Extended National Route 1 Through Sydney
Original Hume Highway Alignment from "Five Miles from Gundagai" to Sydney
Original Hume Highway Alignment from Holbrook to "Five Miles" out of Gundagai
Original Hume Highway Alignments from Albury to Holbrook
Princes Highway would of been to trunk standard road as it was a national route by then
Added Princes Highway from Batemans Bay to Sydney
Added Princes Highway from Snowy Mountains Highway intersection to Batemans Bay
Added Princes Highway in NSW up to Snowy Mountains Highway intersection
Princes Highway Alignment from lakes entrance to border
Added extended original alignment of Princes Highway (East) to Lakes Entrance