Autocesta Zagreb – Macelj (Croatian for "Zagreb–Macelj Motorway") is a Croatian limited liability company founded pursuant to decision of the government of the Republic of Croatia of 27 March 2003 to facilitate construction and subsequent management of a motorway between Zagreb and Macelj border crossing to Slovenia. The company was subsequently granted concession for construction and management of the A2 motorway, and restructured in the process: The Republic of Croatia retained 49% of ownership stake in the company, while 51% ownership stake was attained by Walter Motorway, owned by , Strabag and Dywidag. The company was granted the motorway management concession for a period of 28 years.