A gantry spanning the motorway with blue overhead signs indicating one lane exiting and three continuing ahead, and the following text.
Left lane destinations: A46 Leics; New'k .
Right-hand three lanes destinations: The NORTH, Nottingham, Derby M1.
Junction number: 21A.
Our fourth lane leaves again, bound for Leicester's northern bypass. We continue from here as a conventional three lane motorway, but only for a couple more junctions.