text: Markham Vale isn't usually used to refer to this roundabout but to the industrial / commerical area the other side of the motorway.  Exactly how much of that is Markham Vale and how much the M1 Commerce Park http://www.openstreetmap.org/way/74094036 would need to be checked.  
  There have also been significant new developments in the few months since I was last there, so it definitely needs rechecking.