What do you mean by penalising? If a road has a 40km/h speed limit, and then road features designed for 40km/h are added, what's the penalty? The point is to r

What do you mean by penalising? If a road has a 40km/h speed limit, and then road features designed for 40km/h are added, what's the penalty? The point is to require the driver to focus, which a good driver does anyway.