Jefferson Lines spokesman Kevin Pursey said a vehicle ahead of the bus "came to an abrupt stop, and our driver made a safety maneuver to avoid a crash and tipped over."

Source: https://m.startribune.com/3-passengers-injured-when-jefferson-bus-overturns-on-snowy-interstate-north-of-st-paul/600240705/

McFarlane, who has been working with Jefferson Lines since the summer of 2022, told Davis and Greenhill he loads from the back to the front – a method Greenhill had never heard of before, according to the footage.

Source: https://thegrio.com/2023/08/01/black-riders-say-driver-ordered-them-back-of-bus-north-dakota/