Be aware that the £11.50 congestion charge operates from 0700 till 1800 on weekdays, but Park Lane in both directions is exempt, as is Edgware Road and Vauxhall Bridge Road-Grosvenor Place heading north. Local meters are pay-by-phone and stop at 1830; rates are £4.90 per hour and £7.35 for pre-2015 diesels.