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.
London Bridge station Banister. During the first decade of the twentieth century LB&SCR station at London Bridge was again enlarged, but overall London Bridge station remained a "sprawling confusion". The chaotic nature of the station at the turn of the century was described in John Davidson's poem, "London Bridge": The South London Line from London Bridge to Victoria was electrified in 1909 with an experimental overhead system. It was successful and other suburban services were electrified including the line to Crystal Palace in 1912. Because of World War I, the line to Croydon was not electrified until 1920. The Railways Act 1921 led