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4 Environmental Analysis 4.15 Transportation other roadway users traveling to and from the Project site. Furthermore, the Project would not include a design feature or utilize vehicles with incompatible uses that would create a hazard on the roadways surrounding the Project site. Mitigation: None required. IMPACT 4.15-4: Would the project result in inadequate emergency access? (Less than Significant Impact) The Project would not permanently alter any roadways nor create any traffic conditions that would impede emergency access. Furthermore, the analyzed Project-generated traffic would be related to temporary construction-related traffic increases that would end when construction is completed. The Project is located in a rural area, within proximity to a main roadway. Midway Road connects the Project site to Patterson Pass Road, which would allow for any emergency vehicles to easily access the Project site. No additional construction to roadways would occur during construction of the Project. Therefore, the Project would result in less than significant impacts related to emergency access. Mitigation: None required. 4.15.5 PG&E Tesla Substation Improvements and Gen-Tie To accommodate the Project, PG&E would be responsible for siting, design and construction of the gen-tie transmission line from the point of change of ownership (POCO)to its substation. Two options are available for the gen-tie line route from this point. The first option would be to connect via an aboveground line from the POCO to a point on the west side of the southwestern boundary of the substation. The second option is to enter the substation on the southwestern edge by way of a belowground line as shown in Figure 2-1 of Chapter 2, Project Description. Either right-of- way corridor is assumed to be up to 100 feet in width. Additionally, PG&E would upgrade the Tesla Substation, and the improvements would include the installation of a grounding system, disconnect switches, surge arresters, outdoor lighting and outlets, and fiber termination for the gen-tie line. All such improvements would be within the existing Tesla Substation footprint. Similar to the Project, the construction activities associated with the PG&E infrastructure would utilize the same roadways as the Project and would be temporary, where short-term traffic increases would end when construction activities are completed. PG&E improvements and construction of the gen-tie would not conflict with a plan, ordinance, or policy addressing the circulation system, including transit, roadway, bicycle, and pedestrian facilities. Furthermore, construction worker trips for PG&E infrastructure are included in the construction and equipment vehicle trips presented in Table 2-2, Construction Equipment and Vehicle Trips Per Phase, of Chapter 2, Project Description, and would result in less than significant impacts related to VMT. PG&E improvements would not permanently alter any roadways that would result in a design feature that could substantially increase hazards. Due to the rural nature of the area roads and Griffith Energy Storage Project 4.15-18 Tetra Tech/SCH 2022120675 Draft Environmental Impact Report August 2023