Singapore wants self-driving cars to help its aging society
https://edition.cnn.com/2019/02/25/tech/self-driving-cars-singapore/index.html
Considering the fact that a few railway lines around the world install autonomous trains, it's easy to imagine how difficult it is to install autonomous vehicles on public roads, where many kinds of unexpected events would happen.
Unlike railway systems, there would be much more chances of animals' or human's trespassing, disruption of roads, and crash with carelessly driving cars.
There would be a long way to solve such problems.
