- A4 between A403 and M5, Bristol, City of (Grid ref ST517785)
- A4 between M5 and M5, Bristol, City of (Grid ref ST521780)
- A4 between A4162 and A403, Bristol, City of (Grid ref ST521777)
- A4 between A4162 and A403, Bristol, City of (Grid ref ST528764)
- A4 between A4162 and A403, Bristol, City of (Grid ref ST540768)
- A4 between A4162 and A4176, Bristol, City of (Grid ref ST550761)
- A4 between A4176 Bridge Valley road and A3029 Brunel Way, Bristol, City of (Grid ref ST565730)
- A4 between A4 under Bristol Gate and A3029, Bristol, City of (Grid ref ST570723)
- A4 between A3029 and A4 split, Bristol, City of (Grid ref ST570725)
- A4 between A3029 and Hotwells Rd, Bristol, City of (Grid ref ST571724)
- A4 between Merchants Rd and A38/A4108, Bristol, City of (Grid ref ST580725)
- A4 between A4044 and A370, Bristol, City of (Grid ref ST595723)
- A4 between A370 and A37, Bristol, City of (Grid ref ST598720)
- A4 between A37 and A4320, Bristol, City of (Grid ref ST599717)
- A4 between A4320 and Eagle Rd, Bristol, City of (Grid ref ST614710)
- A4 between A4 Bath Road and A4 Bristol Hill, Bristol, City of (Grid ref ST616708)
- A4 between A4 Eagle Road and A4 Bristol Hill, Bristol, City of (Grid ref ST616708)
- A4 between Water Lane and A4174, Bristol, City of (Grid ref ST620706)
- A4 between A4174 and Emery Rd, Bristol, City of (Grid ref ST625702)
- A4 between Emery Rd and Bristol, City of boundary, Bristol, City of (Grid ref ST631700)
- A4 between LA boundary and A4174, Bath and North East Somerset (Grid ref ST639697)
- A4 between A4174/A4175 and B3116, Bath and North East Somerset (Grid ref ST650692)
- A4 between B3116 and A39, Bath and North East Somerset (Grid ref ST700655)
- A4 between A39 and A36, Bath and North East Somerset (Grid ref ST710655)
- A4 between A36 and A4 principal, Bath and North East Somerset (Grid ref ST716657)
- A4 between A4 Trunk and Old Newbridge Hill, Bath and North East Somerset (Grid ref ST720656)
- A4 between Old Newbridge Hill and A431, Bath and North East Somerset (Grid ref ST725652)
- A4 between A431 and A3604, Bath and North East Somerset (Grid ref ST733651)
- A4 between A3604 and A367, Bath and North East Somerset (Grid ref ST740652)
- A4 between A367 and Broad St, Bath and North East Somerset (Grid ref ST747650)
- A4 between Broad St and A3039, Bath and North East Somerset (Grid ref ST750652)
- A4 between Saracen St and George St, Bath and North East Somerset (Grid ref ST750651)
- A4 between A3039 and A36, Bath and North East Somerset (Grid ref ST751656)
- A4 between A36 and A46, Bath and North East Somerset (Grid ref ST760662)
- A4 between A46 and A363, Bath and North East Somerset (Grid ref ST776666)
- A4 between A363 and Bath and North East Somerset boundary, Bath and North East Somerset (Grid ref ST800676)
- A4 between LA boundary and A365, Wiltshire (Grid ref ST810685)
- A4 between A365 and Hedgesparrow Lane, Box Hill, Wiltshire (Grid ref ST830692)
- A4 between Hedgesparrow Lane and B3109 mid-junction, Wiltshire (Grid ref ST841700)
- A4 between B3109 mid-junction and Cross Keys Rd, Wiltshire (Grid ref ST865707)
- A4 between Cross Keys Lane and A350, Wiltshire (Grid ref ST880716)
- A4 between A350 and B4528 roundabout, Wiltshire (Grid ref ST900721)
- A4 between B4528 and A350, Wiltshire (Grid ref ST906724)
- A4 between A350 and A420, Wiltshire (Grid ref ST910725)
- A4 between A420 roundabout and Pewsham Way, Wiltshire (Grid ref ST918730)
- A4 between Pewsham Way and A342, Wiltshire (Grid ref ST940719)
- A4 between A342 and A3102, Wiltshire (Grid ref ST960711)
- A4 between A3102 and A3102, Wiltshire (Grid ref ST997709)
- A4 between A3102 and Stockley Lane, Wiltshire (Grid ref SU000705)
- A4 between Stockley Lane, Calne and A361, Wiltshire (Grid ref SU050702)
- A4 between A4361 and A345, Wiltshire (Grid ref SU100684)
- A4 between A435 and A436, Wiltshire (Grid ref SU187690)
- A4 between A346 and Barn Street, Wiltshire (Grid ref SU192690)
- A4 between A346 and Manor Park, Wiltshire (Grid ref SU252677)
- A4 between Manor Park and Wiltshire boundary, Wiltshire (Grid ref SU300680)
- A4 between West Berkshire boundary and B4192, West Berkshire (Grid ref SU320685)
- A4 between B4192 and A338, West Berkshire (Grid ref SU337689)
- A4 between A338 and A338, West Berkshire (Grid ref SU340689)
- A4 between A338 and A34 spur, West Berkshire (Grid ref SU400684)
- A4 between A34 spur and A34 spur, West Berkshire (Grid ref SU449680)
- A4 between A34 spur and B4494, West Berkshire (Grid ref SU460679)
- A4 between B4494 and A339, West Berkshire (Grid ref SU470678)
- A4 between A339 intersection and Pipers Way, Thatcham, West Berkshire (Grid ref SU500676)
- A4 between Pipers Way, Thatcham and A340, West Berkshire (Grid ref SU600674)
- A4 between A340 and A340, West Berkshire (Grid ref SU605677)
- A4 between A340 and Waterside Drive, Theale, West Berkshire (Grid ref SU637707)
- A4 between Waterside Drive, Theale and M4, West Berkshire (Grid ref SU648714)
- A4 between M4 and West Berkshire boundary, West Berkshire (Grid ref SU652717)
- A4 between Reading boundary and Burghfield Rd, Reading (Grid ref SU680721)
- A4 between Burghfield Rd and Honey End Lane, Reading (Grid ref SU684721)
- A4 between Honey End Lane and A4155, Reading (Grid ref SU689723)
- A4 between A4155 and A33, Reading (Grid ref SU710726)
- A4 between A33 and A327, Reading (Grid ref SU715726)
- A4 between A327W and A327E, Reading (Grid ref SU718728)
- A4 between A327E and A329, Reading (Grid ref SU720729)
- A4 between A329 and Reading boundary, Reading (Grid ref SU735733)
- A4 between Wokingham boundary and A3290, Wokingham (Grid ref SU738734)
- A4 between A3290 and B3350 Pitts Lane roundabout, Wokingham (Grid ref SU740735)
- A4 between B3350 Pitts Lane roundabout and Pound Lane, Sonning, Wokingham (Grid ref SU760747)
- A4 between Pound Lane, Sonning and B478, Wokingham (Grid ref SU767752)
- A4 between B478 and A321, Wokingham (Grid ref SU773760)
- A4 between A321 and A3032, Wokingham (Grid ref SU790774)
- A4 between A3032 and Wokingham boundary, Wokingham (Grid ref SU802779)
- A4 between Windsor and Maidenhead boundary and Burchetts Green Road, Windsor and Maidenhead (Grid ref SU825797)
- A4 between Burchetts Green rd and A404(M), Windsor and Maidenhead (Grid ref SU850804)
- A4 between A404(M) and College Rd/Grenfell Rd, Windsor and Maidenhead (Grid ref SU880811)
- A4 between College Rd/Grenfell Rd and A308, Windsor and Maidenhead (Grid ref SU883811)
- A4 between A308 and Forlease Rd roundabout, Windsor and Maidenhead (Grid ref SU890814)
- A4 between Forlease Rd roundabout and A4094, Windsor and Maidenhead (Grid ref SU896813)
- A4 between A4094 and Windsor and Maidenhead boundary, Windsor and Maidenhead (Grid ref SU900813)
- A4 between Buckinghamshire boundary and Hitcham Rd, Slough, Buckinghamshire (Grid ref SU905813)
- A4 between Hitcham Rd and Buckinghamshire boundary, Buckinghamshire (Grid ref SU921811)
- A4 between Slough boundary and M4, Slough (Grid ref SU932810)
- A4 between M4 and A355, Slough (Grid ref SU950809)
- A4 between A355 and A332, Slough (Grid ref SU965801)
- A4 between A332 and A412, Slough (Grid ref SU980799)
- A4 between A412 and M4, Slough (Grid ref TQ000788)
- A4 between M4 and Sutton Lane, Slough (Grid ref TQ016778)
- A4 between Sutton Lane, Colnbrook and Slough boundary, Slough (Grid ref TQ040771)
- A4 between Hillingdon boundary and A3044, Hillingdon (Grid ref TQ045771)
- A4 between A3044 and A3044, Hillingdon (Grid ref TQ050771)
- A4 between A3044 and M4 spur road, Hillingdon (Grid ref TQ060769)
- A4 between A408 and A437, Hillingdon (Grid ref TQ080769)
- A4 between A437 and Hillingdon boundary, Hillingdon (Grid ref TQ100770)
- A4 between Hounslow boundary and A312, Hounslow (Grid ref TQ105768)
- A4 between A312 and A30, Hounslow (Grid ref TQ110766)
- A4 between A30(T) and A3006, Hounslow (Grid ref TQ115763)
- A4 between A3006 and A3063, Hounslow (Grid ref TQ120764)
- A4 between A3063 and A3005, Hounslow (Grid ref TQ134767)
- A4 between A3005 Heston Rd and A3005 Jersey Rd, Hounslow (Grid ref TQ137768)
- A4 between A3005 and A310, Hounslow (Grid ref TQ150772)
- A4 between A310 and A3002, Hounslow (Grid ref TQ170778)
- A4 between A3002 and M4 J2, Hounslow (Grid ref TQ180783)
- A4 between M4 jn2 and A406, Hounslow (Grid ref TQ190785)
- A4 between A205 and M4, Hounslow (Grid ref TQ195782)
- A4 between M4 and A316, Hounslow (Grid ref TQ200780)
- A4 between A316 roundabout and Hounslow boundary, Hounslow (Grid ref TQ218781)
- A4 between Hammersmith and Fulham boundary and A4, Hammersmith and Fulham (Grid ref TQ220783)
- A4 between A306 and A219, Hammersmith and Fulham (Grid ref TQ233784)
- A4 between A219 and Hammersmith and Fulham boundary, Hammersmith and Fulham (Grid ref TQ240784)
- A4 between Kensington and Chelsea boundary and A3220, Kensington and Chelsea (Grid ref TQ249785)
- A4 between A3220 and A3220, Kensington and Chelsea (Grid ref TQ252787)
- A4 between Earl's Court Rd and Thurloe Place, Kensington and Chelsea (Grid ref TQ260788)
- A4 between A3218 and A308, Kensington and Chelsea (Grid ref TQ271790)
- A4 between A308 and A315/A3216, Kensington and Chelsea (Grid ref TQ275794)
- A4 between A315/A3216 and Hyde Park Corner, Westminster (Grid ref TQ280797)
- A4 between Hyde Park Corner and St James St, Westminster (Grid ref TQ289802)
- A4 between St James St and Regent Street/ Picc Circus, Westminster (Grid ref TQ293805)
- A4 between Piccadilly and Waterloo Pl, Westminster (Grid ref TQ295802)
- A4 between Pall Mall and Piccadilly Circus, Westminster (Grid ref TQ296805)
- A4 between Piccadilly Circus and Pall Mall East, Westminster (Grid ref TQ297805)
- A4 between Waterloo Pl and Cockspur St, Westminster (Grid ref TQ297803)
- A4 between Haymarket and Trafalgar Square, Westminster (Grid ref TQ299804)
- A4 between Pall Mall and Northumberland ave, Westminster (Grid ref TQ299804)
- A4 between Haymarket and St Martins Pl, Westminster (Grid ref TQ300804)
- A4 between Northumberland Ave and St Martins Pl, Westminster (Grid ref TQ300804)
- A4 between Northumberland Ave and A301, Westminster (Grid ref TQ304807)
- A4 between A301 and A301/A4200, Westminster (Grid ref TQ306810)
- A4 between Aldwych and Aldwych, Westminster (Grid ref TQ308809)
- A4 between A301 and Strand, Westminster (Grid ref TQ308810)
- A4 between Aldwych and Westminster boundary, Westminster (Grid ref TQ310810)
- A4 between City of London boundary and High Holborn, City of London (Grid ref TQ312813)