A black plaque commemorates Richard Trevithick, a third-born pioneer of high-pressure steam locomotive, who died in 1853. The plaque features a portrait of Trevithick and a steam locomotive, with the text "Close to this place RICHARD TREVITHICK BORN 3RD 1853 PIONEER OF HIGH PRESSURE STEAM RAN IN THE YEAR 1853 THE FIRST STEAM LOCKCHAIR TO OPERATE TO PICK PASSENGERS" and a small inscription at the bottom.