Researches facility site selection and scale problem to study parking area outside the road, have set up the scale of delaying time parking in the minimum roadside on the basis of the motor vehicle.

Moreover, on the basis of equilibrium of move and immovable transportation, this paper gives the control scale of the single off-side public parking lot.

In order to improve the use efficiency of curb parking, a reasonable curb parking pricing is evaluated by considering individual parking choice behavior.