Standard&Poor's Ratings Services said it affirmed its 'AAA/A-1+' issuer credit ratings on Autobahnen- und Schnellstrassen-Finanzierungs-Aktiengesellschaft (ASFINAG). The outlook is stable. The ratings on ASFINAG reflect its monopoly position as constructor and operator of the Austrian motorway and high-speed road network, the strong explicit and implicit government support ensured by the company's strategic importance to its sole shareholder, the Republic of Austria (AAA/Stable/A-1+), and a tight legal framework defining the government's role in ASFINAG's operations. ASFINAG is responsible for the financing, construction, maintenance, and operation of the entire Austrian network of motorways and high-speed roads. Although the motorway network remains the property of the republic, ASFINAG has been granted the usufruct over the network. It generates revenues from tolls