I'd like to start off this discussion with a unique crossing I found in Sweden. It is an ordinary crossing, aside from the fact that it is equipped with Safetran lights on both sides. https://www.google.com/maps/@56.1310711,12.8796419,3a,24.5y,13.44h,106.3t/data=!3m7!1e1!3m5!1s2gK2y9Ky4NBmS_b2Z6q4dA ...