I’ve never seen or heard of this but I’m skeptical that there is any speed hump design that wouldn’t be a negative for emergency services, increase wear and tear to vehicles that cross them and that wouldn’t be less of an impact to lifted chassis vehicles. These problems are avoided by the other, better solutions so why are humps even a part of the conversation at all?
Not even that extreme, just an overcrowded train with someone who smells or is drunk is way worse than being in traffic. For plenty of women, someone who looks threatening can make a trip mega uncomfortable.