As of 2023, France's length of standard gauge railway lines stood at approximately 26.5 thousand kilometers. The forecasted data for 2024 to 2028 indicate a steady decline, with lengths dropping from 26.35 thousand kilometers in 2024 to 25.65 by 2028. Year-on-year variations reflect a consistent decrease of about 0.68% annually. The compound annual growth rate (CAGR) over the five-year forecast period shows an average annual reduction of around 0.68%.

Future trends to watch for include:

Potential impacts of technological advances and efficiency improvements in railway operations.
Shifts in transportation policy aiming to balance between developing new infrastructure and optimizing existing lines.
The effect of increased emphasis on sustainable transport solutions and their impact on railway investment priorities.