Speed hump urgently needed.

Nearly every week we have a near miss from a speeding vehicle driving into the village, they dont slow down and soon enough one of my children will get hit by a car. My house is off the road and we have to walk down a path and down some steps to cross the road to a layby where our cars are parked, there is no path for us to step down onto so we have to step into the rd to see if there are any vehicles coming. I believe a speed hump just before the layby at yhe top of the hill as it comes into the village from rousham would improve things greatly.