The Roman Road in Cambridgeshire, also known as Worsted Street Roman Road, is a 12.4-hectare (31-acre) linear biological Site of Special Scientific Interest stretching from south-east of Cambridge to north of Linton. It is also a Scheduled Monument, and is maintained by Cambridgeshire County Council. This green lane has calcareous grassland, thick hedges and small copses, which provide a valuable habitat for invertebrates. There are grasses such as sheep’s-fescue and quaking-grass, while herbs include wild carrot and purple milk-vetch.