Yeah just be warned that at HD clarity this one can get pretty unsettling at times. There's at least one spot where fleeing vehicles are overrun by the water and numerous cases of people stuck in traffic jams jumping out of their cars and running from the wave on foot. Near the end there's a roof full of people that are clearly freaking the hell out as they can see just how much water is coming.
I don't think they were freaking out over the water. It looked like there were a couple people on the ground running alongside the building, but the smoke and infographics block them out most of the time.
Yeah, for blocking the overpass so the people down the road can't get to high ground and are subsequently swept away. Watch it again. There are two semis blocking the road, and the doomed traffic jam is a direct result of that.