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M4 between South Gloucestershire boundary and J22, South Gloucestershire (Grid ref ST526860) A403 between Unclassified Road and B4064, South Gloucestershire (Grid ref ST547845) A403 between South Gloucestershire boundary and Central Avenue, South Gloucestershire (Grid ref ST536831) A403 between B4055 and M48, South Gloucestershire (Grid ref ST560875) C, Moorhouse Lane, Bristol, City of (Grid ref ST540822) B4055, Marsh Common Road, South Gloucestershire (Grid ref ST561840) M4 between J23 and Monmouthshire boundary, Monmouthshire (Grid ref ST480872) U, Sandy Lane, Monmouthshire (Grid ref ST483882) M49 between South Gloucestershire boundary and M4 (22), South Gloucestershire (Grid ref ST555820) A48 between Monmouthshire boundary and A466, Monmouthshire (Grid ref ST498903) M48 between Gloucestershire boundary and Gloucestershire boundary, Gloucestershire (Grid ref ST551907) U, Mathern Chepstow, Monmouthshire (Grid ref ST521913) M4 between J22 and J21, South Gloucestershire (Grid ref ST580865) M48 between J2 and Monmouthshire boundary, Monmouthshire (Grid ref ST540914) M48 between South Gloucestershire boundary and J1, South Gloucestershire (Grid ref ST569896) U, Bulwark Chepstow, Monmouthshire (Grid ref ST537916) M48 between M4 (23) and J2, Monmouthshire (Grid ref ST500911) U, N/a, South Gloucestershire (Grid ref ST573895) A403 between Kings Road Avenue and Unclassified Road, Bristol, City of (Grid ref ST520800) A466 between A 48T and M48 JCT 2, Monmouthshire (Grid ref ST532920)