> The land is already purchased so you “just” need to re-lay the track. While the details are unknown, this project will almost certainly mean new tracks along

> The land is already purchased so you “just” need to re-lay the track. While the details are unknown, this project will almost certainly mean new tracks alongside the old tracks at least for the main lines. Which means that the existing corridors in many places would not have enough space. Additionally there is probably desire to improve the geometry to allow higher speed trains, so that makes the existing corridors less useful