Yikes, I didn't realize it would be that expensive. Since those things are federally mandated, they really need to make it a federal offense to steal them with severe penalties. Where I live, if the thieves are caught they will be back on the street in an hour or two.
The U.S. infrastructure is currently in the worst condition it has been in decades. You might be surprised by how many bridges in the U.S. are currently classified as structurally unsafe. The power grid where I live in NJ is so bad that thousands of people lose power whenever there is a stiff...