Kilometers track and number of switches/crossings by region

Number of kilometres for main tracks and secondary tracks and number of switches and crossings dispatched by region (Brussels, Flanders, Wallonia). Main tracks : tracks to which a line number has been assigned. Secondary tracks : include siding et passing tracks. Passing tracks are tracks used to to deviate passenger and/or freight trains from the main track. Siding tracks include all station tracks (passenger, formation or other) intended for normal shunting, running and passing movements. Switches and crossing are are any combination of switches, points and crossings that allow routes to be connected or to intersect with each other.