While many of the chase scenes in Christopher Nolan's The Dark Knight may have looked larger than life, some were actually quite a bit smaller. Take a look at the model mobiles that sped and smashed through the streets of Gotham.
New Deal Studios designed, fabricated, and photographed the 1:3 scale model Lower Wacker Drive and the Batmobile/garbage truck crash sequence, including mechanical and pyrotechnical effects:
Here it all is in action:
According to Comic Book Movie, the same studio also worked on the Dark Knight Rises, creating the plane from the beginning of the film. Head over there to see images from the final film. The image up top is from the second gallery of images.
Miniatures Used In Chris Nolan's BATMAN Trilogy [Comic Book Movie]