In 2023, the share of high-speed rail lines in France's total rail network stood at approximately 10.34%. Forecasted data indicates steady growth, with the share increasing annually from 10.57% in 2024 to 11.48% by 2028. The year-on-year growth rates hover around 2.1% from 2024 to 2025, 2.13% from 2025 to 2026, and a slight decline to 2.06% from 2027 to 2028. Over a five-year period, the average compound annual growth rate (CAGR) is projected to be roughly 2.12%.

Future trends to watch include:

Innovations in rail technology enhancing line capacity and efficiency.
Government policies and investments that may accelerate high-speed rail expansion.
Environmental regulations impacting the growth and development of rail infrastructure.
Potential competition from emerging transportation alternatives.