The concept here makes sense: There are flashing yellow lights above the crosswalk and embedded in the road, and you activate them by hitting the button before you cross. In theory, this should make approaching drivers more likely to notice you.
But there’s just something amusing about the phrase, “Crosswalk warning device.”
[…] Come to think of it, though, this is only 50 feet or so from the crosswalk warning device. […]