Having taken over responsibility for the waterway, the Transport Commission enlarged Newark Town lock in 1952, and the flood lock at Holme was removed to reduce the risk of flooding in Nottingham.
Asumindo a responsabilidade pola hidrovía, a Comisión de Transportes ampliou a esclusa da cidade de Newark en 1952, e a esclusa inundable de Holme foi eliminada para reducir o risco de inundacións en Nottingham.