Unlike the traditional "drift" defense, in which defenders take a few steps towards the opposition and then follow the ball across the field, the rush attempts to limit the supply of easy yards by stopping opposing runners in their tracks.
Limerick was between the airport and the Irish venue, and I had looked forward to stopping there, musing with my muse, and getting a picture of the city limit sign.
Raising the limit may not increase the number of cars that a motorway can carry, since stopping distances lengthen at high speed and cars are supposed to travel farther apart.
That would be no more intrusive than the current American rule stopping any one bank gaining more than a 10% market share of deposits by acquisition, a limit already touched by Bank of America.