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In page A1120 road:

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At Badingham the route follows the line of a Roman road.[1] Due to this there have been numerous crashes at the end of the straight.[2] The A1120 number was created by the complete merger of the B1114, partial merger with the B1119 from Saxtead to Badingham and most of the B1120 from Badingham to Yoxford where it meets the A12.[3]