A gantry structure spanning the motorway with electronic signals, blue signs showing an exit and the following text.
Exit destinations: A6135 [Solid triangle diversion symbol] Sheffield (S); A616 (A619) [Solid circle diversion symbol] Worksop.
Forward destinations: The NORTH, Leeds; Sheffield, Rotherham M1 .
Junction number: 30.
We're still in Derbyshire, just about, but we've reached the first junction signposted for Sheffield. Yorkshire is the M1's final destination so this is a sign that we're making progress!