Old Street roundabout designs

I still remember the current old street roundabout being built, has it been that long?

You probably remember the works that took place there in 2002, to which I allude above. The roundabout itself was built in the 1960s.

http://www.islington.gov.uk/publicrecords/library/Planning-and-building-control/Information/Advice-and-information/2011-2012/%282012-03-03%29-Old-Street-Roundabout-Development-Strategy.pdf

This isn't the adopted strategy, just a draft--I've asked Islington several times for their adopted strategy (of 2008) but it still hasn't been uploaded (or sent to me separately)--don't know why, as it's a public document.