Okay here are the New South Wales ones;
Great Western Highway
Blaxland to Valley Heights Duplication - May 1987
Evans Bridge (Bathurst) - 20 September 1991
Coxs River Deviation - 8 September 1993
Woodford Bends Deviation Stage 1 (eastbound carriageway) - 15 December 1993
Memorial Drive/Northern Distributor
Princes Highway Interchange - 6 June 1985
Elliotts Road Overpass - 27 November 1989
Towradgi Road to Bellambi Lane Stage 1 - 17 December 1992 - Stage 2 - 24 May 1993
Newell Highway
Castlereagh River bridge (Tocumwal) - 9 September 1987
Tocumwal Deviation - 9 December 1987
New England Highway
Singleton Bridge - 13 May 1986
Tamworth Inner City Bypass - 23 September 1993
Armidale Bypass - 18 December 1994
Pacific Highway
Rainbow Flat Deviation - opened 24 May 1994 by John Turner Member for Myall Lakes
The Lakes Way interchange - opened 6 July 2005 by Jan Burnswoods Duty MLC for Myall Lakes
Princes Highway
Mullet Creek Deviation - 15 May 1973
Princes Motorway
Mount Keira Road Overpass - 3 May 1963
North Wollongong to Ghosts Creek - 15 July 1963
Gwynneville to North Wollongong - 19 March 1964
Masters Road - 5 September 1978
New Mount Pleasant Road to Gwynneville Duplication - 12 December 1979
Fowlers Road to Yallah - 2 June 1986
Northern Distributor Interchange - 19 December 1998
Lawrence Hargrave Drive Ramps - 12 July 2000 (full interchange opened 10 November 2000)
Western Motorway
Parramatta Road Extension - opened 16 December 1985 by Laurie Brereton
Lapstone to Emu Plains - 22 June 1993
Windsor Road
Merriville Road to Schofields Road Upgrade - 8 September 2003
Norbrik to Celebration Drive - 25 October 2002 (fully completed April 2003)
Schofields Road to Aberdour Avenue - 8 April 2004
Other roads
Alfords Point Road - Alfords Point Deviation Stage 1 - 20 March 1991 - Stage 2 - 9 July 1992
Burnt Bridge Creek Deviation - 11 February 1985
Castlereagh Highway - Coxs River Bridge Replacement - 16 May 2005
City West Link - The Crescent to Catherine Street - 22 February 1993
Fairford Road - Canterbury Road Overpass - 15 December 1986
Great Western Highway - Katoomba Bypass Stage 1 [new railway bridge] - opened 1 March 1985 by Laurie Brereton
Mitchell Highway - Macquarie River Bridge [Wellington] - 14 December 1991
Monaro Highway - Numeralla River Bridge - 5 June 1986
O'Connell Road - Fish River bridge - 14 June 1986
Pioneer Way - Bellambi Lane to Woonona Railway Station - November 1993
Silverwater Road - Silverwater Road Extension - opened 15 January 1996 by Michael Knight
Southern Cross Drive/General Holmes Drive Link - 22 February 1988
Sydney-Newcastle Freeway - Sparks Road Interchange - 6 June 1986
Terranora Road - Alexander Twohill Bridge (Tumbulgum) - 20 December 1986
Western Distributor (unsure as to what section; was simply described as 'new section opening today') - 13 December 1987