Transport for London's latest figures state that for the first quarter of 2011/2012 the average traffic speed on major London roads for the 12 hours between 7am to 7pm was 19.33 mph and over the same period was 8.98 mph across Central London.
More top news
Police in Harrow have released CCTV footage as part of a reappeal for information about a sexual assault that happened last November.
Members of the RMT union on the Northern Line are planning to walk out on Monday after a driver was sacked for failing a breath test.
The A&E department at Northwick Park Hospital in north London has been under pressure following the closure of two other A&E units.