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Seems if it sprays into the air and gets into people's eyes, that would be an even bigger problem.

Seriously. Sounds like a major public health crisis in a few decades.

Or gets into your lungs. I believe this is how Spinoza died.

Crushed glass is silica which is a component of sand.

Naturally-weathered sand and recently-crushed glass can have very different surface properties (i.e. glass can be sharp!).

The stuff they use for roads is not sharp.

this sounds horrible. what if you walk on it and track it home? then you get to walk on crushed glass with your bare feet? yikes

It's really not that different from walking on sand.

and it make the road so much noisier too.