German carmaker Audi has received the approval to test the autonomous vehicles on the state's public roads in Nevada in the US.

The company tested the self-driving car's technology including the piloted parking and piloted driving on the roads of the state following the approval.

The company claims that the car has completed the 156 turn, 12.42m Pikes Peak circuit in 27minutes.

The driverless car was developed in association with the Volkswagen Group Electronics Research Lab in Silicon Valley and Stanford University.

Earlier, Audi had planned to unveil the driverless cars at the ongoing 2013 International Consumer Electronics Show (CES) held in Las Vegas, US.