• _cost_bridge_per_tile : Rail
• _cost_coast : Rail
• _cost_diagonal_tile : Rail
• _cost_slope : Rail
• _cost_tile : Rail
• _cost_tunnel_per_tile : Rail
• _cost_turn : Rail
• _max_bridge_length : Rail
• _max_cost : Rail
• _max_tunnel_length : Rail
• _pathfinder : Rail
• cost : Rail