- U, , Buckinghamshire (Grid ref SP706375)
- C, Buckinghamshire (Grid ref SP717365)
- U, Bycell Road, Buckinghamshire (Grid ref SP691371)
- A422 between A413 and Buckinghamshire boundary, Buckinghamshire (Grid ref SP721350)
- A413 between Main Street and A422, Buckinghamshire (Grid ref SP698346)
- A422 between A413 and A413, Buckinghamshire (Grid ref SP700343)
- A422 between Western Avenue and A413, Buckinghamshire (Grid ref SP696340)
- A413 between A421 and A422, Buckinghamshire (Grid ref SP708338)
- C, London Road, Buckinghamshire (Grid ref SP700333)
- A421 between A413 and B4033 Nash Rd, Buckinghamshire (Grid ref SP720333)
- C, Near Dadford, Buckinghamshire (Grid ref SP665391)
- U, Pound Close, Northamptonshire (Grid ref SP744395)
- A413 between Main Street and Buckinghamshire boundary, Buckinghamshire (Grid ref SP700419)
- A421 between A413 and A413, Buckinghamshire (Grid ref SP706329)
- A421 between A4421 and A413, Buckinghamshire (Grid ref SP691330)
- U, Lenborough Road, Buckinghamshire (Grid ref SP700316)
- A422 between Northamptonshire boundary and A5, Northamptonshire (Grid ref SP766389)
- U, Hayes Road, Northamptonshire (Grid ref SP765399)
- A413 between Northamptonshire boundary and A43, Northamptonshire (Grid ref SP690450)
- A5 between A508 / A422 and Northamptonshire boundary, Northamptonshire (Grid ref SP781414)