Called a canal .
It was essentially a river navigation , as it followed the course of the river to West Grinstead , to terminate at a wharf near the Worthing to Horsham turnpike road , now the A24 .
Although called a canal , it was essentially a river navigation , as it followed the course of the river to West Grinstead , to terminate at a wharf near the Worthing to Horsham turnpike road , now the A24 .