MansfieldMotorway cantilever sign
A blue overhead sign suspended over the motorway from a post on the left, with a diagonal arrow pointing up and left, and the following text.
A617 [Hollow square diversion symbol] Mansfield; (A632) Matlock.
Junction number: 29.
Matlock is one of the key tourist sites in Derbyshire, but also - perhaps surprisingly, given its size and relatively hard to reach location - the home of the County Council, who left Derby in 1955 to take up residence in a former hydrotherapy spa.