Salisbury and Southampton Canal
United Kingdom
The Salisbury and Southampton Canal was intended to be a 13-mile long canal in Hampshire and Wiltshire, southern England. Its proposed route ran from Redbridge, now a western suburb of Southampton at the head of Southampton Water, to Salisbury, and connecting with the Andover Canal at a junction near Mottisfont. Another section, through Southampton, was to connect via a tunnel to the River Itchen. Part of the canal was built and was in use by 1803, but it closed amid financial failure in 1806.
Canal data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).