On July 17, 2021 (10am to 11am) a Video Survey was conducted of All Mount Diablo State Park Visitor Vehicles, Bicycles and Hikers traveling up/down at Blind Curve #3, Danger Zone, Mt. Diablo Scenic Blvd. Where numerous Near-Miss Bike vs Vehicle and Actual Collisions have occurred.
- No Vehicle crossed over the Solid Double Yellow Line, uphill direction at Blind Curve #3
- 122 Park Visitor Vehicles/Bicycles (up/down)
- 75 (61%) were Bicycles
- 47 (39%) were Vehicles
- 14 Hikers (up/down) walking in the road