 Just before his retirement, Truss proposed locks at Molesey and Teddington, each having a weir with long tumbling bays, similar to modern practice.John Rennie had suggested a series of long cuts in 1794, and Truss adopted the same idea.Rennie and William Jessop again proposed four long cuts in 1805, each about , but the Navigation Committee were thwarted by strong opposition from landowners.