How many roundabouts in Swindon?

How many roundabouts in Swindon? The Magic Roundabout has five mini-roundabouts plus a central island. Facts and figures about Swindon's roundabouts.

Swindon's most famous roundabout is the Magic Roundabout – a ring of five mini-roundabouts around a central island, built in 1972. As for total roundabouts in the borough, there are dozens – from the Magic Roundabout and its approaches to junctions on the A419, A420, M4 links, and housing estates. An exact count depends on how you define a roundabout (including mini-roundabouts and traffic calming).

Swindon roundabouts
The Magic Roundabout – five mini-roundabouts and a central island. Credit: The Swindon Post

The Magic Roundabout

The Magic Roundabout (official name: County Islands) has five mini-roundabouts arranged clockwise around a central anti-clockwise roundabout. It connects five roads: Drove Road, Fleming Way, Shrivenham Road, Queens Drive, and County Road. It's one of Britain's most unusual junctions and appears in theory test questions.

Other notable roundabouts

Major roundabouts include the Drakes Way/Great Western Way junction, the Mannington Roundabout (A361), the Coate Water roundabout, and the Commonhead roundabout (A419). New housing at Wichelstowe, Tadpole Garden Village, and elsewhere has added more. There is no single official "total" – estimates range from around 80 to 100+ if you include all sizes.

Information correct as of February 2026.