High speed rail (typically considered 200km/h+, i.e., ~124mph) is almost always built with no at-grade crossings; on existing track upgraded for 200km/h line-sp

High speed rail (typically considered 200km/h+, i.e., ~124mph) is almost always built with no at-grade crossings; on existing track upgraded for 200km/h line-speed it's normal to have lower speed limits around at-grade crossings.