Road closures for Rugby World Cup 2015 at Twickenham
If you plan to travel into London from the M3 or M25 via the A316 which passes the Twickenham rugby stadium during the period until Saturday 31st October 2015 the attached info sheet will be useful. It has the closure times and a map of the section of the A316 that will be subject to closures.
Local authority website

Posted: 150826
Rugby World Cup 2015 - road closures by Twickenham
To improve access to and from Twickenham Stadium during the Rugby World Cup 2015, Transport for London (TfL) has agreed to allow a section of the A316 to close on match days. You can see a list of closure times and a map of the section of the A316 which will be subject to the closures. Info sheet

The A316 is a dual carriageway that connects the M3 motorway from the south west of England as a main urban route into Chiswick and Hammersmith in west London. The congestion arising from the detours drivers will need to make when the closures operate will be considerable.