private void outgoingVehicleMonitor(Vehicle v) {

		if (v instanceof MotorCycle)
			numMotorCycles--;
		else if (v instanceof Car && ((Car) v).isSmall() == true) {
			numSmallCars--;
			numCars--;
		} else if (v instanceof Car && ((Car) v).isSmall() == false) {
			numCars--;
		}

	}