In a perfect world yes it should have been, but the difficulty in finding land and getting planning approval for speedway is pretty difficult,also during the regular season Plymouth had no more rain offs than anyone else, i think the problem is more to do with the fixtures not being planned very well.
We're putting a roof over the stadium. Seriously what do you suggest when the natural water table is about 1ft below the track surface, hence the name of the area is marsh mills,their is a clue in the name.