On June 24, 2024, French President Macron attended the inauguration ceremony of the €3.5 billion extension of Metro Line 14. It is reported that Metro Line 14 is a key component of the Grand Paris Express project, connecting the Olympic Village in northern Paris with the airport in the south. This 28 km extension includes 8 new stations and will provide direct access to the airport and the city center, with the entire journey taking only 25 minutes. By 2025, the line is expected to carry more than 1 million passengers per day.