Pitpark upwards and downwards together. While one car is parked on the available platform, the other car is parked on the lower level platform. To retrieve the upper car, system takes down both the platforms together. Lower car goes inside the pit while the upper car reaches the ground level that can be taken out. To take out the lower car, system takes up both the platforms together and lower car reaches the ground level. 2IP uses 2 interconnected platforms that are driven