Tower Bridge bridge's upper walkways. The pedestrian walkways are above the river at high tide. The main bridge deck carries two lanes of road traffic between two low-level pedestrian walkways across both suspension spans and the opening bascule section of the bridge, with the walkways separated from the roadway by fences. The roadway passes through each of the two towers, whereas the low-level walkways pass around the outside of the towers. One of the chimneys on the bridge, which are often mistaken for lamp posts, connects up to an old fireplace in a guardroom of the Tower of London. It is long-disused.
Albert Bridge, London in 1957 the London County Council proposed replacing Albert Bridge with a more conventional design. A protest campaign led by John Betjeman resulted in the withdrawal of the proposal, but serious concerns about the integrity of the bridge continued. In 1964 an experimental tidal flow scheme was introduced, in which only northbound traffic was permitted to use the bridge in the mornings and southbound traffic in the evenings. The bridge's condition continued to deteriorate however, and in 1970 the Greater London Council (GLC) sought and obtained consent to carry out strengthening work. In April 1972 the bridge was closed for