They were shuttling traffic off onto an exit ramp maybe 1/2 mile before where the truck was stuck. It takes time. There was also normal traffic to deal with.
I couldn't see much, most of the time I was stuck in the backup was before the choke point.
The school bus you can (maybe)see in the video a little is a new bus that was being delivered. It had a car hooked to it by a tow bar, so it couldn't really back up too well.
(that probably took some time, getting it out of the way)
It looks like they detached the car, moved it out of the way, and turned the buss around, and parked it off to the side in the construction area. My guess is the delivery guy would hook up, then head the wrong way to the off ramp.
They probably alternated backing cars out of the stoppage area, and moving the normal oncoming traffic onto the off ramp.
Before you get to where the truck was stuck, there were plenty of signs 'through traffic use left lane'. (which is why I was in the left lane)
I went back by there, 24 hours later, and the stuck truck was gone.
I googled local news to see if there was any report of the accident, just to get some idea what time it happened. (How long the truck had been stuck when I passed it)
Never found anything.
I'm curious how they got the truck out? What they moved?