Your task is to make the new AVUS.
First, you will need to find a motorway or a highway. Your circuit must go down one carriageway, and come back up the other. You may build whatever roads you need to connect the carriageways at either end, but you are limited to building a single corner in each instance (so you can’t build extensive new circuits). Your circuit should be no longer than 8.30km, the length of the original AVUS.