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A420 between A4044 and A420 split, Bristol, City of (Grid ref ST597731) A420 between Old Market St and Stapleton Rd, Bristol, City of (Grid ref ST598733) A420 between Midland Rd and Trinity Rd, Bristol, City of (Grid ref ST600733) A420 between Clarence Rd and Stapleton Rd, Bristol, City of (Grid ref ST600734) A420 between Trinity Rd and Easton Way roundabout, Bristol, City of (Grid ref ST602734) A420 between A4320 and B4467, Bristol, City of (Grid ref ST610733) A420 between B4467 and A431, Bristol, City of (Grid ref ST620735) A420 between A431 and A4017, Bristol, City of (Grid ref ST640738) A420 between A4017 and Bristol, City of boundary, Bristol, City of (Grid ref ST644739) A420 between South Gloucestershire boundary and A4017, South Gloucestershire (Grid ref ST646738) A420 between A4017 and A4174, South Gloucestershire (Grid ref ST648738) A420 between A4017 and A4174, South Gloucestershire (Grid ref ST650738) A420 between A4017 and A4174, South Gloucestershire (Grid ref ST658737) A420 between A4175 and A4175, South Gloucestershire (Grid ref ST668735) A420 between A4175 and A4175, South Gloucestershire (Grid ref ST670735) A420 between A4175 and Bath Road, South Gloucestershire (Grid ref ST700728) A420 between Bath Road and A46(T), South Gloucestershire (Grid ref ST720723) A420 between A46(T) and South Gloucestershire boundary, South Gloucestershire (Grid ref ST750729) A420 between Wiltshire boundary and B4039, Wiltshire (Grid ref ST800740) A420 between B4039 and A350, Wiltshire (Grid ref ST900745) A420 between A350 and B4528 N, Wiltshire (Grid ref ST905742) A420 between B4528 Hardenhuish Lane and Park Lane, Wiltshire (Grid ref ST911739) A420 between Park Lane and New Rd, Wiltshire (Grid ref ST916737) A420 between Marshfield Rd/Audley Rd and Ivy Lane, Wiltshire (Grid ref ST917738) A420 between A4 and A420 Split, Wiltshire (Grid ref ST917734) A420 between A419 and supermarket roundabout, Swindon (Grid ref SU187865) A420 between supermarket roundabout and Swindon boundary, Swindon (Grid ref SU200870) A420 between Oxfordshire boundary and A 417 JCT SOUTH Faringdon, Oxfordshire (Grid ref SU237899) A420 between A417 and A417, Oxfordshire (Grid ref SU299951) A420 between A415 Rnbt Kingston Bagpuize and A417 JCT FARINGDON, Oxfordshire (Grid ref SU400985) A420 between A415 Jct Kingston Bagpuize and A 338 JCT, Oxfordshire (Grid ref SP450006) A420 between A338 Tobney Wood and A34 Botley, Oxfordshire (Grid ref SP465042) A420 between A34(T) and Hollybush Row, Oxfordshire (Grid ref SP499062) A420 between Botley Road and Thames St/Speedwell St, Oxfordshire (Grid ref SP508059) A420 between A4144 St Aldgates and Speedwell St, Oxfordshire (Grid ref SP513056) A420 between Thames St and St Aldgates, Oxfordshire (Grid ref SP513057) A420 between Speedwell St and Longwall St, Oxfordshire (Grid ref SP514060) A420 between Thames St and Speedwell St, Oxfordshire (Grid ref SP514057) A420 between Longwall St and A4158 Iffley Rd roundabout, Oxfordshire (Grid ref SP520062) A420 between The Plain and A420 London Rd, Oxfordshire (Grid ref SP550073)