Police setting up this morning just as you are leaving High Barnet heading out to potters bar. Two police cars and a mobile speed trap just before you hit the 30 camera on the A1000, they were setting up at about 8:20. Don’t know if it will be a regular spot for them so keep em peeled. 
It was there Christmas Eve as they had a little chat with me but not there lunchtime today when I came through way, slowly 