KRRI tests 5G-based autonomous train control
https://www.railwaygazette.com/technology/krri-tests-5g-based-autonomous-train-control/57534.article
Automatic train operation has already been realized in some railway lines.
Though I don't know the detail, the problem seems to be headway based on the article. It has been dangerous and technically difficult to reduce more headways automatically before installation of 5G system.
