Which answer matches this clue: the motorway connecting Milan and Naples whose name means motorway of the sun?

• A Autostrada dei Fiori
• B Autostrada del Sole ✓
• C Autostrada Adriatica
• D Autostrada Serenissima

The Autostrada del Sole, designated A1, was inaugurated in 1964 and remains the backbone of the motorway network stretching 754 kilometres.