The Thames Barge Driving Race under oars' or "sweeps" and ride tidal river currents alone, up river. The event commemorates the skills of lightermen who moved freight this way along the Thames up until the 1930s and in a wider context it encourages ongoing interest in moving cargo via water and as a way to recruit younger people back into river trades.The teams are normally made up of employees of Thames Lighterage companies, Port of London Authority or are sponsored by local businesses. The best places to view the race are Tower Bridge, London Bridge and Westminster Bridge. During the 1970s Britain suffered a major
London Bridge or ferry when it was high. Both embankments, particularly the northern, would have offered stable beachheads for boat traffic up and downstream – the Thames and its estuary were a major inland and Continental trade route from at least the 9th century BC. There is archaeological evidence for scattered Neolithic, Bronze Age and Iron Age settlement nearby, but until a bridge was built there, London did not exist. A few miles upstream, beyond the river's upper tidal reach, two ancient fords were in use. These were apparently aligned with the course of Watling Street, which led into the heartlands of