Dangerous Pothole around Drain Cover on exit of Retail Park

The hole around the drain cover has been like this for over 3 months now. It's situated on the bend just as you exit Robroyston Retail Park, and cars are having to take a wider turn in order to avoid it and the exit also joins on to a roundabout which is a hazard. Lorries come and go from the retail park as well and I've seen some drive over it. I'm fully expecting the drain cover to fall in if the pothole continues to get worse and then that's going to cause an accident.