Chicago Transit Authority launches first Innovation Studio challenges
https://www.railwaygazette.com/technology-data-and-business/chicago-transit-authority-launches-first-innovation-studio-challenges/66166.article
The quote
"the automatic detection of people or large objects on railway tracks to avoid collisions and reduce or eliminate service delays"
Usually, in East or South East Asian countries, its solution is the installation of platform screen doors. But, in the US, except for some train systems in the airports, platform screen doors are not common. I wonder why US is reluctant to install them.
