Motorway lane gain sign
A blue sign with a diagram showing two lanes on the motorway being joined by one lane from the left.
Here's junction 21, marking the return of the M48, which parted ways with us near Caldicot. It brings a third lane with it.
A blue sign with a diagram showing two lanes on the motorway being joined by one lane from the left.
Here's junction 21, marking the return of the M48, which parted ways with us near Caldicot. It brings a third lane with it.