Read the Detailed Mount Diablo State Park Analysis of 96 Citations Issued(2021 to July 2024)(PDF)

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One Law Enforcement Officer issued Nearly 80% of Citations:
- Officer McHenry issued two “Bike Lane” citations CVC 21208(a) to cyclists as they used a Bike Turnout. However, Bike Turnouts are not Bike Lanes. At the present time, Bike Turnouts do not exist in Caltrans or the California Vehicle Code (CVC). Cyclists cannot be required to use Bike Turnouts at this time. In addition, the lane widths on Mount Diablo are “substandard width” per both Caltrans and CVC. In these cases, per CVC, cyclists may take the full lane to ensure safest passage, CVC 21202 (a)(3).
Cyclists were six times more likely to receive a Citation than a Motorist (2010 to March 2018):
(2.) MDSP-Citations, March 3, 2021 to July 25, 2021 (PDF)
(3.) MDSP-Citations July 15, 2015 to May 19, 2019 (PDF)
(4.) MDSP- Summary of Citations 2010- 2018(Excel)
According to CA State Parks Statistical Reports, there have been over a million motor vehicle/bicycle - based visitors from 2010 to July 2021. According to the Supervising Ranger: "We have right around a half a million people per year that visit Mount Diablo State Park."
| 2010 - 30 citations | Park Rangers issued 295 citations - 2010 to 2018
14 drivers received citations for violating - CVC 21752a (Overtaking & Passing), CVC 21650 (Driving on the wrong side of the road) and 21658 (Unsafe lane change) 17 cyclists received citations for riding a bicycle while wearing headphones. Cyclists may have been profiled; 2012, 2013, 2014 and 2015. A significant number of citations were issued to cyclists for entering the Park early, wearing headphones, basic speed and stop sign violations. Per MDSP Superintendent, "a former Park ranger who aggressively issued citations to cyclists was TRANSFERRED" |
| 2011 - 37 citations | |
| 2012 - 49 citations | |
| 2013 - 58 citations | |
| 2014 - 62 citations | |
| 2015 - 39 citations | |
| 2016 - 14 citations | |
| 2017 - 6 citations | |
| 2018 - 4 citations | Park Rangers issued 30 citations - 2018 to July 2021
5 citations were issued to motorists for violation of CVC 21752 (Failure to Drive on Right Half of Roadway/Driving Left of Center), CVC 21650 (driving on the wrong side of the road) 1 citation was issued to a Park visitor for violation of CVC 22350 (Speeding) |
| 2019 - 5 citations | |
| 2020 - 0 citations (No record of any citations issued?) | |
| 2021 - 21 citations (As of July 21st)* | |
| *The 21 citations in 2021 were issued by Rangers on duty in the afternoon (14:00 to Sunset/Closing). Apparently, Rangers on duty in the morning (0700 hrs. to 1400 hrs.) did NOT issue any citations | |