There is no need to cut a small segment for the max height, because you can't drive back and once you are on the ramp, your vehicle height should not exceed what the sign says.

https://www.openstreetmap.org/way/1308722939/history#map=19/40.848139/-74.352905

Also, while you claimed to be improving the alignment, zooming into the ramp and you should realize what a disaster it has become.