Ermine Street facts for kids
The alternative route (in blue) was built to allow transport in all weather. The direct route crosses the River Humber, a tidal estuary of the rivers Trent and Ouse. In bad weather crossing would have been impossible. The Humber is too wide for the Romans to have built a bridge, therefore some kind of ferry must have been used.
Ermine Street Facts for Kids. Kiddle Encyclopedia.