firstly im totally not great at diy im a welder not a builder lol recently my girlfriend has had trouble gettin her car window smashed an broken into so we decided to make gates in her fence an drive the car in the front garden the front garden has stones in it but has thick plastic below them which i guess stops us driving the car right in at the min im fearful the car would get stuck as the garden is little sloped and uneven.we were just wanting to get the car in off the street at the min would it work if i just placed few paving stones down loose on the stonesor can anyone give me some advice pls?iv added a pic below