Considering the life span of large trucks, even the full panoply of detectors now on most (but not all) cars would
take 20+ yrs to ripple out across the nations truck fleet. Would need detectors on the trailers as well to take
care of turn scenarios. And that assumes the political will to mandate such, so not in our lifespan. Maybe when
full battery electric trucks take over, say 2050 or so.