On Fri, 17 Jun 2011 08:39:30 +0000 (UTC), d
wrote:

On Fri, 17 Jun 2011 03:24:00 +0100
Charles Ellson wrote:
There will be new signal-controlled pedestrian- and cyclist-crossing
facilities as well as a new junction design to improve traffic flow."
[http://www.tfl.gov.uk/corporate/proj...es/11571.aspx]

If they really wanted to improve traffic flow they'd have put either
the A406 or the A1 on a flyover or under. They did it all along the eastern
stretch of the 406 , I can't see why they can't do the same on the
western stretch.

Mechanical rather than financial limitations, maybe ?