- A23 between A2220 and A219, West Sussex (Grid ref TQ256360)
- A23 between B2114 and M23, West Sussex (Grid ref TQ259320)
- A23 between A2004 and A2220, West Sussex (Grid ref TQ260354)
- A23 between B2110 and B2114, West Sussex (Grid ref TQ260299)
- A23 between M23 and A264, West Sussex (Grid ref TQ262332)
- A23 between M23 and A2004, West Sussex (Grid ref TQ264340)
- A23 between B2115 and B2110N, West Sussex (Grid ref TQ265280)
- A23 between A272 and B2115, West Sussex (Grid ref TQ265249)
- A23 between A272 and A272, West Sussex (Grid ref TQ266223)
- A23 between A2300 and A272, West Sussex (Grid ref TQ267210)
- A23, Ansty and Staplefield, West Sussex (Grid ref TQ267259)
- A23 between B2117 and B2118, West Sussex (Grid ref TQ269164)
- A23 between B2118 and A2300, West Sussex (Grid ref TQ269195)
- A23 between A219 and Fleming Way roundabout, West Sussex (Grid ref TQ270385)
- A23 between A281 and B2117, West Sussex (Grid ref TQ271139)
- A23 between A217 and Woodroyd Avenue, Surrey (Grid ref TQ276425)
- A23 between A23 / M23 SLIP and A217, West Sussex (Grid ref TQ276422)
- A23 between Fleming Way roundabout and A23 / M23 SLIP, West Sussex (Grid ref TQ278400)
- A23 between A2044 and A25 High St, Surrey (Grid ref TQ278500)
- A23 between A23 main route and A281, West Sussex (Grid ref TQ279129)
- A23 between A23 and M23, West Sussex (Grid ref TQ280419)
- A23 between Woodroyd Avenue and B2036, Surrey (Grid ref TQ280433)
- A23 between A25 and A242, Surrey (Grid ref TQ280510)
- A23 between A25 High St and A25 Redstone Hill, Surrey (Grid ref TQ280504)
- A23 between A25 Redstone Hill and A25 London rd, Surrey (Grid ref TQ281507)
- A23 between B2036 and A2044, Surrey (Grid ref TQ284450)
- A23 between A23 split and A281, West Sussex (Grid ref TQ284128)
- A23 between B2031 and M23/A23(T), Surrey (Grid ref TQ286547)
- A23 between A242 and Station Rd North, Surrey (Grid ref TQ286525)
- A23 between M23 and Surrey boundary, Surrey (Grid ref TQ287560)
- A23 between Croydon boundary and Woodplace Lane, Croydon (Grid ref TQ290575)
- A23 between Station Rd North, Reigate and B2031, Surrey (Grid ref TQ290540)
- A23 between West Sussex boundary and A273, West Sussex (Grid ref TQ292114)
- A23 between A23 Londn Road and A273, West Sussex (Grid ref TQ292123)
- A23 between A273 and A23 split, West Sussex (Grid ref TQ292122)
- A23 between A27 spur and Brighton and Hove boundary, Brighton and Hove (Grid ref TQ293100)
- A23 between Woodplace Lane and A237, Croydon (Grid ref TQ298589)
- A23 between A27 Rd B and A27, Brighton and Hove (Grid ref TQ300092)
- A23 between A214 and A216, Lambeth (Grid ref TQ300716)
- A23 between A214 and A214, Lambeth (Grid ref TQ300712)
- A23 between Church Hill and A27 spur, Brighton and Hove (Grid ref TQ301089)
- A23 between A237 and A22, Croydon (Grid ref TQ301600)
- A23 between Stanford Avenue and Church Hill, Brighton and Hove (Grid ref TQ301070)
- A23 between A214/A216 and A205, Lambeth (Grid ref TQ301720)
- A23 between Lambeth boundary and A214, Lambeth (Grid ref TQ303705)
- A23 between A235 and Croydon boundary, Croydon (Grid ref TQ308690)
- A23 between A205 and A204, Lambeth (Grid ref TQ309750)
- A23 between St Matthew's Rd and A2217, Lambeth (Grid ref TQ309751)
- A23 between A270 and A23, Brighton and Hove (Grid ref TQ310055)
- A23 between A236 and A235, Croydon (Grid ref TQ310675)
- A23 between A3202 and A3036/A3200 roundabout, Lambeth (Grid ref TQ310795)
- A23 between A204/A2217 and A203, Lambeth (Grid ref TQ310755)
- A23 between Epsom Rd and Croydon Rd, Croydon (Grid ref TQ310648)
- A23 between A232 Stafford Rd and A232 Epsom Rd, Croydon (Grid ref TQ310646)
- A23 between A270 and A23, Brighton and Hove (Grid ref TQ311056)
- A23 between A232 and A23, Croydon (Grid ref TQ311650)
- A23 between A203 and A203, Lambeth (Grid ref TQ311757)
- A23 between A2022 and A23 Purley Way, Croydon (Grid ref TQ311617)
- A23 between A2022 and A22, Croydon (Grid ref TQ311616)
- A23 between A3203 and A3202, Lambeth (Grid ref TQ311793)
- A23 between A23 Foxley Lane and A232, Croydon (Grid ref TQ311640)
- A23 between A203 and A202, Lambeth (Grid ref TQ312760)
- A23 between A259 and A23 merge, Brighton and Hove (Grid ref TQ312040)
- A23 between A22 and A23 Foxley Lane, Croydon (Grid ref TQ312616)
- A23 between Camberwell Rd and Kennington Park Rd, Lambeth (Grid ref TQ312776)
- A23 between Camberwell Rd and Kennington Park Rd, Lambeth (Grid ref TQ312776)
- A23 between Kennington Park Rd and A3204, Lambeth (Grid ref TQ312780)
- A23 between A3204 and A3203, Lambeth (Grid ref TQ312790)
- A23 between A259 and A23 merge, Brighton and Hove (Grid ref TQ313040)
- A23 between A23 Old Steine roundabout and A23 Gloucester Place/Grand Parade, Brighton and Hove (Grid ref TQ313042)
- A23 between A23 Marlborough Place and A23 St Georges Place, Brighton and Hove (Grid ref TQ314046)
- A23 between A23 St Peter's Place and A270, Brighton and Hove (Grid ref TQ314050)
- A23 between A23 Gloucester Place and A23 St Peter's Place, Brighton and Hove (Grid ref TQ314048)
- A23 between A23 Marlborough Place and A23 Richmond Place, Brighton and Hove (Grid ref TQ314046)
- A23 between A23 St George's Place and A23 Richmond Place, Brighton and Hove (Grid ref TQ314047)
- A23 between A23 York Place and A23 Richmond Place, Brighton and Hove (Grid ref TQ314049)
- A23 between A23 Grand Parade and A270 Lewes Road, Brighton and Hove (Grid ref TQ314048)
- A23 between A270-Upper Lewes Road and A270, Brighton and Hove (Grid ref TQ314051)