Smart Motorway gantry sign
A gantry structure spanning the motorway with electronic signals, blue signs showing the left two lanes exiting and the other two continuing ahead, and the following text.
Left-hand two lanes destinations: A38 [Solid circle diversion symbol] [Solid square diversion symbol] [Solid triangle diversion symbol] Thornbury; Filton .
Right-hand two lanes destinations: The SOUTH WEST; Bristol (S) & [Airport symbol] M5 [Solid diamond diversion symbol] .
Junction number: 16.
Move right, please, or else you’ll find yourself in the exotically named Aztec West business park.