Motorway gantry sign
A gantry spanning the motorway with blue overhead signs showing the following text.
Forward destinations: The MIDLANDS, SOUTH WALES (M49); London (M4 East), Chepstow (M48) M5 .
Exit destinations: A4 (A403) Bristol, Avonmouth, Docks.
Junction number: 18.
Change Route: A4 Bristol
The first of two exits in the swirling complex of sliproads at Avonmouth. This started life as a much simpler junction serving a short spur towards the A4, but it was extensively rebuilt in the 1990s to accommodate the M49 and extra connections to the A4 and A403.