Underpass was built in 1917 with solid concrete pillars between lanes.
They need something like the resilient “SAFER” barrier.
Inexpensive, robust, and very effective. Designed by Univ of Nebraska with funding by Indianapolis Motor Speedway.
I believe
this was the view from the bus approaching the crash site. Looks dangerous. Maybe it was a trick of perception where the driver just didn't see the center post, although he'd presumably driven the route many times. Or maybe he got blocked into it. It did look like he was in the left lane, which wouldn't have been the cautious choice.