yes they would, if a font is more readable, it&#x27;s more readable. And you can test it measuring recognition time and distance. And you can test in the sub optimal conditions mentioned, just like you could test readability on sub optimal substrates, resolution, degradation etc. It&#x27;s not easy, but it&#x27;s testable. i would like to see these articles accompanied by some in car photos of the signs being visible, where their conclusion is shown.