const Profile &get_rail_profile() const { return rail_profile; }
const Profile &get_ballast_profile() const { return ballast_profile; }
const Profile &get_path_profile() const { return path_profile; }
const Profile &get_rail_profile() const { return rail_profile; }
const Profile &get_ballast_profile() const { return ballast_profile; }
const Profile &get_path_profile() const { return path_profile; }