The A1156 road runs through the centre of Ipswich, Suffolk, England.
Map of A1156, Ipswich IP1, UK
Formerly part of the A45, the road connects the A14 to the north-west of Ipswich to the A14 (again) and the A12 to the south-east of Ipswich at the Seven Hills junction.
References
A1156 road Wikipedia(Text) CC BY-SA