Where can I find info on california highways. I need a "traffic survey" for I-5 S. GRAPEVINE area?

Question

Was stopped for going down a downgrade too fast 50mph in a 40 mph zone I-5 south the last down grade befoore to towns of santa clarita and valencia california

Answer 1

Usually at the Dept of Public Works.

Good luck, you'll need it.

Answer 2

That's under the jurisdiction of Caltrans District 7 in Los Angeles.  Try contacting their public affairs office.