What is the most dangerous direction to back up a bus towards?

When considering the dangers of backing up a bus, the right side is particularly hazardous due to the common blind spots that drivers face. Most bus designs have a greater blind spot on the right side, which can lead to collisions with pedestrians, cyclists, or vehicles that may be positioned closer to the bus than the driver can see.

Additionally, since a bus is wider than a standard vehicle, the right side has less room for error when backing up. This means even slight deviations can pose a significant risk to individuals or objects immediately adjacent to the bus.

In contrast, while there are risks associated with backing in any direction, the left side generally offers better visibility for the driver. Forward movement inherently does not involve backing up, and moving backward can still be evaluated for safety but does not pose the same specific challenges as moving right. Overall, the heightened risk on the right side makes it the most dangerous direction for a bus to back up.