Construction cost per kilometer of high-speed line in France 2014
Here is a statistic about the construction cost per kilometer of high-speed lines (HSL) in France in 2014 (in millions of euros). It shows that the construction of the Mediterranean high-speed line, which links the Provence-Alpes-Côte d'Azur and Languedoc-Roussillon regions, cost around 20 million euros per kilometer.