The Automobil-Verkehrs- und Übungsstraße ('Automobile traffic and training road'), known as AVUS (German pronunciation: [ˈaːvʊs] ^ⓘ), is a public road in Berlin, Germany. Opened in 1921, it was also used as a motor racing circuit until 1998. Today, the AVUS forms the northern part of the Bundesautobahn 115. It hosted several pre-World War II races and one Formula One World Championship race - the 1959 German Grand Prix.

The highway is located in the southwestern districts of Berlin, linking the Stadtring at the Funkturm junction in Charlottenburg with Nikolassee. It runs through the Grunewald forest along the historic Königsweg road from Charlottenburg to Potsdam and the parallel Berlin-Blankenheim railway line.

While normal for a road, it is unusually shaped for a race track as it is essentially two long straights in the form of a dual carriageway, with a hairpin corner at each end. The north curve featured a steep banking from 1937 to 1967. While the original layout was 19.569 km (12.160 mi) long, the southern turn was moved several times, to shorten the track to 8.300 km (5.157 mi), then 8.109 km (5.039 mi) without the banking, 4.879 km (3.032 mi) and finally 2.639 km (1.640 mi).

In 1907 the Kaiserlicher Automobilclub (KAC) association devised a fee-financed circuit, as both a motor-sport venue and a testing track for the motor industry. A developing company was established in 1909; however, a lack of finances and official authorisations delayed the start of construction until spring 1913. During the Great War works discontinued, and though Russian Army prisoners were temporarily employed in AVUS's construction, the track was still unfinished. From 1920 the remaining road work was financed by businessman and politician Hugo Stinnes. The circuit, including a gate building and several stands, was inaugurated during the first post-war International Automobile Exhibition (IAA) with a motor race on 24 September 1921. Afterwards the road was open to the public at a charge of ten Marks.

At the time of opening, AVUS was 19.569 km (12.160 mi) long – each straight being approximately half that length, and joined at each end by flat, large-radius curves, driven counter-clockwise.

The circuit from 1922 was the site of motorcycle races. On 11 July 1926 the track played host to the first international German Grand Prix for sports cars, organised by the Automobilclub von Deutschland, the former KAC. The 1921 roadway turned out to be insufficient: Already, in practice two days before, the young Italian driver Enrico Platé (not to be confused with the Argentinian driver and team owner of the same name) was involved in a crash that killed his mechanic. During the race, in heavy rain, two track marshals died when Adolf Rosenberger lost control and hit the indicator board and the timekeeper's box, with a third employee succumbing to his injuries in hospital a few hours later. The Grand Prix was won by his fellow team-member, the so-far unknown Mercedes-Benz salesman Rudolf Caracciola, from Remagen, driving a private, eight-cylinder "Monza" Kompressor type. The fastest lap of 161 km/h (100 mph) was set by Ferdinando Minoia in an OM.

From 1927 the German Grand Prix was relocated to the new and more secure Nürburgring circuit in the Western German Eifel range, while the AVUS received a new asphalt surface and served as an experimental track for rocket cars.

On 23 May 1928 Fritz von Opel ("Rocket Fritz") achieved a speed record of 238 km/h (148 mph) in an Opel RAK2.