Gridlock Kent

Although I understand the need to manage traffic during busy times I struggle to understand how shutting the M20 is the solution. Why take Brock down to put it back a few weeks later, what a waste of money, are the planners feathering their own nests? The impact on my life is not acceptable, living in the M20 area is a travel nightmare, short journeys can take hours and cause so much car pollution to the environment.