There’s actually fewer crossings involved, so safety for pedestrians should improve as well. But notably these interchanges are often in extremely pedestrian-ho

There’s actually fewer crossings involved, so safety for pedestrians should improve as well. But notably these interchanges are often in extremely pedestrian-hostile areas anyway, but it seems more likely that a newly constructed interchange will make at least some attempt to accommodate pedestrians, whereas interchanges built 30+ years ago often ignore pedestrian concerns entirely.