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A421 between Oxfordshire boundary and A4421, Oxfordshire (Grid ref SP605333) A421 between A43 and Northamptonshire boundary, Northamptonshire (Grid ref SP586335) A43 between A421 and A422, Northamptonshire (Grid ref SP578340) A43 between Northamptonshire boundary and A421, Northamptonshire (Grid ref SP576332) A43 between A422 and A422, Northamptonshire (Grid ref SP590362) A4421 between Buckinghamshire boundary and A421, Buckinghamshire (Grid ref SP638323) A422 between A43(T) and Western Avenue, Buckinghamshire (Grid ref SP600367) C185, Buckingham Road, Northamptonshire (Grid ref SP590370) C, Hardwick Road, Oxfordshire (Grid ref SP585296) U, Rectory Lane, Oxfordshire (Grid ref SP603288) A43 between A422 and A413, Northamptonshire (Grid ref SP594379) A4421 between Thompson Drive, Bicester and Oxfordshire boundary, Oxfordshire (Grid ref SP607278) C, Halse Road, Northamptonshire (Grid ref SP583384) C, Between Kings Sutton and Evenley, Northamptonshire (Grid ref SP547358) A43 between M 40 J 10 and Oxfordshire boundary, Oxfordshire (Grid ref SP550296) B4100, NW of Bainton Turn, Oxfordshire (Grid ref SP570265) C, Near Dadford, Buckinghamshire (Grid ref SP665391) M40 between Oxfordshire boundary and J10, Oxfordshire (Grid ref SP524300) B430, Station Road, Oxfordshire (Grid ref SP542270)