Tesla Road Mile Marker 9.25 Emergency Storm Damage Repair, in Livermore, Alameda County.


SCH Number
Public Agency
Alameda County Public Works Agency (ACPWA)
Document Title
Tesla Road Mile Marker 9.25 Emergency Storm Damage Repair, in Livermore, Alameda County.
Document Type
NOE - Notice of Exemption
Document Description
During the 2022-2023 winter storms (two locations), an approximately 50-foot-long section of the northbound Tesla Road and another 30-foot section, just pass the 50-foot section at MM 9.25 experienced subsidence failure due to heavy rainfall. Per site observations, the mode of failure might have included a potential clogged culvert which contributed to rainwater flow saturating the soil underneath the road, eroding the soft layers, and causing it to become unstable. Overtime, this potentially lead to the formation of voids resulting in sinks and settling into gaps which compromised the road surface in the form of cracks and deformations (see Figures 2 thru 4). The sinkage has caused the road to become impassable, resulting in traffic disruptions and safety hazards for pedestrians and vehicular traffic. Tesla Road is mainly used by vehicular traffic as an alternate Interstate 580 access to the Altamont Pass from the city of Tracy to the city of Livermore. The damaged section includes the northbound lane, a portion of the southbound lane, and the earthen embankment. The slope below the embankment is about 2.5:1.

Contact Information

James Yoo
Agency Name
Alameda County Flood Control District
Job Title
Associate Environmental Compliance Specialist
Contact Types
Lead/Public Agency


Cross Streets
Tesla Road Mile Marker 9.25, Livermore, Alameda County

Notice of Exemption

Exempt Status
Statutory Exemption
Type, Section or Code
Sections 15269
Reasons for Exemption
These projects are categorically exempt by specific provisions of the California Environmental Quality Act as described proclaimed by the Governor pursuant to California Emergency Services Act Sections 8558 (b) and 8625 of the California Government code.
County Clerk


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