The Transport for London business plan for 2005 - 2012 includes "Schemes to
relieve traffic congestion and improve the local environment at Coulsden,
Bounds Green and Thames Road, Bexley"

I think this may be the minor improvemets planned and not the D3 grade
separated route.

There are details of the minor improvements at
http://www.londontransport.co.uk/str...20Bounds%20Gre
en.pdf