Getting to the Avis Sandton Gautrain Branch from the Gautrain Station, The Avis Sandton Gautrain is conveniently situated across the road at the Old Mutual Building. Find the branch easily by following these instructions:, ? Exit the Sandton Gautrain station by going up the escalator., ? Continue straight and cross West Street towards the Old Mutual Building., ? Climb the stair case and walk through the promenade towards to the elevator. Look out for the Avis Budget signs directing you to the elevator., ? Take the elevator to level B3, which will open up directly in front of the branch.