• _cost_bridge_per_tile : Road
• _cost_coast : Road
• _cost_no_existing_road : Road
• _cost_slope : Road
• _cost_tile : Road
• _cost_tunnel_per_tile : Road
• _cost_turn : Road
• _max_bridge_length : Road
• _max_cost : Road
• _max_tunnel_length : Road
• _pathfinder : Road
• cost : Road