Motorway gantry sign
A gantry spanning the motorway with blue overhead signs indicating one lane exiting and two continuing ahead, and the following text.
Left lane destinations: M23 n Croydon.
Right-hand two lanes destinations: Brighton; Gatwick [Airport symbol] M23 s .
Change Route: M23 Croydon or M23 Gatwick
Two lanes continue to the M23 southbound and just one branches off left towards Croydon. You can tell just from looking where all the traffic is headed. Take your pick - the M23 awaits.