Motorway gantry sign
A gantry spanning the motorway with blue overhead signs indicating one lane exiting and the other lane continuing ahead, and the following text.
Left lane destinations: M25n [Hollow circle diversion symbol] ; Watford (M1); Oxford (M40).
Right lane destinations: M25s ; (M3); Gatwick [Airport symbol]; Heathrow [Airport symbol]; (T4, T5 &; Cargo) .
Change Route: M25 Watford or M25 Gatwick
The sliproad divides, and the endless possibilities of London's orbital motorway are yours for the taking.