Topanga Cyn Closure: Update & Info

• TCEP - Emergency Status Page 
• TCEP - X (formerly Twitter)
• OneTopanga - Additional Info
• http://quickmap.dot.ca.gov/

The volume of rocks and dirt at the Topanga landslide has been estimated at about 9.2 million pounds! Interestingly is a similar massive series of landslides in Northern California along  State Route 70 within the Feather River Canyon. Caltrans District 3 and Caltrans District 2 have been clearing rockslides or landslide every month since mid-January, which is typical for the area where rocks weighing up to 42 tons land on the road.  The only difference is the volume of traffic coming through the area is not the same as Topanga Cyn. Caltrans battles with extreme rockslides along SR-70 

The Topanga Community Center has an additional webpage which is not current but a tally of traffic through Topanga Canyon 2008-2013presented a comparison with estimates touted by the media today (30,000 commuters) TCB_Daily_Traffic_Count_Comparison-2008__2013.pdf (onetopanga.com)

2013 Annual Average Daily Traffic for SR-27

• Intersection at PCH: 14,600 vehicles
• Intersection at Old Topanga:
  • 17,100 vehicles prior to intersection
  • 16,900 vehicles after section

2008 Annual Average Daily Traffic for SR-27

• Intersection at PCH: 15,000 vehicles
• Intersection at Old Topanga:
  • 16,100 vehicles prior to intersection
  • 16,400 vehicles after section

• April 20th visit to Topanga Cyn by elected officials and responsible agencies:
  • County Board of Supervisors Representative Horvath
  • Assemblywoman Jacqui Irwin
  • California State Transportation Agency Secretary Toks Omishakin
  • CalTrans District 7 Director Gloria Roberts.

TCB Road Update - March 21, 2024 - One Topanga

• Upcoming State of the City of Malibu on May 10th,will include time for Supervisor Horvath to give an "update on County issues affecting Malibu"

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