Transport in Somerset a harbour at Southampton. Hot springs were discovered near where the Fosse Way crossed the River Avon and the town of Aquae Sulis (now the city of Bath) developed there. Just a little further north the Fosse Way crossed a long road between London and Sea Mills. The waters of the Bristol Channel and rivers such as the Avon were used for transport. The small vessels in use at that time could navigate quite some distance upstream, indeed the River Yeo shows evidence of being straightened near Ilchester. Harbours were established near river mouths at Sea Mills (River Avon), Uphill
Insula (Roman city) forum around which the most important public buildings would be sited. Insula (Roman city) An insula (Latin for "island") is a city block in an ancient Roman city plan, i.e. one that is surrounded by four streets. The term was also used for apartment buildings that took up an entire city block. A standard Roman city plan was based on a grid of orthogonal streets and was probably founded on the ancient Greek model of Hippodamus and was used when new cities were established, e.g. in Roman coloniae. The main streets of each city would be the Decumanus Maximus (east–west-oriented)