Further improvements were made when the Wey and Arun Canal opened in 1816, joining the Arun at Newbridge, and after the completion of the Portsmouth and Arundel Canal, which opened soon afterwards.
Pembangunan lebihi lanjut dibuat ketika Kanal Wey dan Arun dibukan tahun 1816, menggabungkan Arun di Newbridge, serta setelah diselesaikannya Kanal Portsmouth dan Arundel, yang dibuka segera setelah Wey dan Arun.