Interesting. Now I'm curious about the tech used behind it to transmit the info accross the network. I'm wondering if a LoRa/LoRaWAN-based mesh network could do the trick to avoid using some kind of cell data or wired infrastructure, but also be energy-efficient enough to work using only solar power.
Transit was one of the two core practical applications the Visionect founder mentioned in Nov 2020: https://news.ycombinator.com/item?id=25067359