River Thames Thames Estuary), the river is subject to tidal activity from the North Sea. Before the lock was installed, the river was tidal as far as Staines, about upstream. London, capital of Roman Britain, was established on two hills, now known as Cornhill and Ludgate Hill. These provided a firm base for a trading centre at the lowest possible point on the Thames. A river crossing was built at the site of London Bridge. London Bridge is now used as the basis for published tide tables giving the times of high tide. High tide reaches Putney about 30 minutes later than
Queen Elizabeth II Bridge, British Virgin Islands the upgrading of the Road Town/Cane Garden Bay road and the Road Town/West End road, a new bridge was needed. Motorists were often aggravated by having to wait in turn to pass on this single lane bridge, and it was becoming increasingly congested. After a lengthy feasibility study, the entire area was substantially re-developed thanks to the upgrading and extension of the airport and the widening of the Road Town/Cane Garden Bay road and the Road Town/West End road. The bridge was constructed between 2001 and 2002, and was dedicated by Her Majesty Queen Elizabeth II once more. The bridge