Old Street is a 1-mile (1.6 km) street in inner north-east Central London, England that runs west to east from Goswell Road in Clerkenwell, in the London Borough of Islington, via St Luke's and Old Street Roundabout, to the crossroads where it meets Shoreditch High Street (south), Kingsland Road (north) and Hackney Road (east) in Shoreditch in the London Borough of Hackney.
It has London Underground station Old Street on the Northern line which has other platforms for National Rail's Northern City Line.
Its west half is inside London's Congestion Charging Zone. The street's middle (from Old Street Station to Great Eastern Street) follows the zone's eastern boundary, while the street's eastern end falls entirely outside the zone.