Weird substance on 303 near surprise. Anyone else notice?

Anyone else noticed the strange substance on highway 303 South, between Bell road and Greenway?

It's been there for several days, looks like something spilled on the road. Visually, it reminds me of wintry ice patches on the roads. It kicks up dust and seems like you could totally loose traction on it...

There appears to be some of it on the on ramp coming off Greenway to get on 303, as well.

I've been a long time motorcyclist, and this stuff scares me!

I've reported it but it's been days and still nothing is done about it...

Thoughts?