History Danger Zone 1920 to 2021

The primary access to Mount Diablo State Park is Mount Diablo Scenic Boulevard, a small, narrow, old road that is deadly dangerous.  Since 1931 California State Parks has had an easement over this private road so as to provide access for park visitors.  Their easement includes a half-mile narrow and twisting section of Scenic we call “The Danger Zone,” where a cyclist was killed in 2019 and multiple near-misses occur on a daily basis.

California State Parks has no plan to address the safety of The Danger Zone for their visitors and, in fact, has been quietly obstructionist to all efforts to improve the situation. But don’t take our word for it: Read the History.  Then, please, send in any additional information, emails, documents, surveys, photos, videos and suggestions.  We look forward to hearing from you and to making The Danger Zone on Scenic safer for park visitors and all users of the road!

DANGER ZONE MAP (3:25:2021)



Local Sign – Please Help!

A Local Resident on Mt. Diablo Scenic Blvd Installed this Sign (4’by6′) on March 1, 2020 (Sign Removed: February 2021)

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Monte Vista High School Mount Bike Team

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Newspaper Articles

DCSD 1:8:19

50 Letters Keep the Path/Easement Open

Below are 50 of the 90 letters sent to the DCSD board asking them to Keep the Path/Easement Open We Need Your Help! Please contact us describing how many years you have used the Path/Easement, date first started and why you believe it should be kept open for the public. Thanks for all you support!

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Survey “Danger Zone” 60% of Vehicles are Bicycles

In 2019, theVideo Surveys below were conducted at Blind Curve #2. Maayan Jones was killed at the Apex of this incredibly Dangerous Curve.


FATALITY “DANGER ZONE” Mt. Diablo Scenic Blvd

According to the Bay Area News Group (8/30/19) “He might still be alive today if the California Department of Parks and Recreation hadn’t ignored a 1992 court order to maintain the road where Jones collided 27 years later with a the front of a 2007 Chevrolet Avalanche” (photo below).

DANGER ZONE MAP (3:25:2021)