Thames Water burst main at Tolworth causes severe flooding - recap Kingston Road has been badly affected by floodwater The video will auto-play soon8Cancel Play now A burst water main in the Tolworth area caused flooding and left homes with no water or low water pressure on Wednesday morning (March 17). A video filmed in Tolworth this morning showed deep floodwater in Kingston Road (the A240) with part of the road blocked. As a result there is substantial congestion on nearby roads in the Ewell, Stonleigh and Chessington area. Traffic and travel service Inrix said: "One lane blocked and queuing traffic due to flooding and burst water main on A240 Kingston Road Northbound at A3 (Tolworth Roundabout). Lane one (of three) is blocked. "