London travel news LIVE: Double-decker bus crashes on A40 causing serious congestion

The bus came off the A40 near Northolt in west LondonLondon & UK Street News/ XA double-decker has crashed on the A40 in west London, causing major traffic congestion. The incident happened early on Tuesday morning in Northolt. At 12.20pm, traffic monitor Inrix reported long delays and one lane closed due on Western Avenue heading into central London after A312 Church Road.Meanwhile on the Tube, the Piccadilly and Metropolitan lines were suffering severe delays. Follow our live blog for the latest travel updates.Emergency services requested for comment The Standard has approached Transport for London, the Metropolitan Police and London Ambulance service for comment. 'Slow traffic' on the A312 as one lane remains blocked Slow traffic continues on the A312 between White Hart Roundabout and Northolt station via Target Roundabout, with journey times currently around 10 minutes.One lane on the A40 Western Avenue remains blocked. Traffic camera footage showing queues at Western AvenueTraffic camera footage shows tailbacks of vehicles at the Westfield Avenue junction with West End road. An alert on London Webcam reads: “Western Avenue (Eastbound) at the junction of Long Drive - Lane one (of three) are closed due to recovery work following an earlier collision.”Traffic cameras showing queues at Western AvenueLondon webcamDouble-decker bus crash causing tailbacks in west LondonA bus crash in Northolt has caused major issues for drivers on the A40 this morning. Video footage posted on social media appears to show a TfL London bus that has left the road and come to rest in shrubbery beside the A-road.The A40 Western Avenue remains partially blockedQueues reached towards Swakeleys Roundabout, Hillingdon Circus, Hayes and Northolt Park.Disruption began at around 4.45am, according to reports. The bus came off the A40 early this morningLondon & UK Street News/ XSevere delays on the Metropolitan line There are now severe delays on the Metropolitan line between Harrow-on-the-Hill and Uxbridge due to an earlier signal failure at Harrow-on-the-Hill.Good service on the rest of the line.Minor delays on the Central line There are minor delays on the Central line between Loughton and Epping while engineers fix a track fault at Epping. Minor delays on the Lioness line Minor delays on the Lioness line now due to an earlier signal failure at Stonebridge Park.Piccadilly line is part-suspended There is currently no service between Wood Green and Cockfosters due to a signal failure at Turnpike Lane. Minor delays on the DLR line There are currently minor delays on the DLR line between Bank and Canning Town while engineers work to fix a faulty train at Poplar. Severe delays on the Lioness and Bakerloo linesSevere delays are affecting the Bakerloo and Lioness lines following an earlier signal failure at Stonebridge Park.Services were previously suspended in part and then across the lines, but the disruption has since been reduced.