alt Hacker NewsDepending on where, there can be lots and lots of small crossings. The cameras themselves might not be that expensive, but keeping them in working order is very nontrivial.
Depending on where, there can be lots and lots of small crossings. The cameras themselves might not be that expensive, but keeping them in working order is very nontrivial.
Just pay for it? Look, the camera here works just fine:
https://www.youtube.com/watch?v=FsuyLs_0C0I
If you can prevent just one of those (and if we ignore injury, trauma and death) it should cover expenses for quite some time.