The A421 is an important road for east/west journeys across south central England. Together with the A428, the A43 and A34, it forms the route from Cambridge through Milton Keynes to Oxford. The section between the A1 and the A5 is a national primary route.
The road begins at the A1, just south of St Neots , at the Black Cat Roundabout. The road bypasses both Great Barford and Bedford to the south to reach the M1 at junction 13. From there, it swings up through the southern part of Milton Keynes, doubling as the local grid road H8 Standing Way. During this time it crosses the A5 .
Source: Wikipedia.org
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Address: Milton Keynes, United Kingdom
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