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Tri-Valley Transportation Council │ 2020 Nexus Fee Update Study August 2021 │ Final 30 4.4.2 TOTAL TRIPS BY LAND USE The total number of trips generated by the growth in either dwelling units or square-feet for each land use category are shown in Table 22. As shown in Table 22, a total of 57,596 trip ends are generated by the land use growth between 2020 and 2040. The growth attributable to single-family residential units generates the largest number of trips, 13,716, or almost 25-percent of the total trips. The growth attributable to industrial employment or industrial buildings generates the fewest number of trips, 6,178, or just over 10- percent of the total trips. Table 22: Total Trip Ends by Land Use Category Land Use Type Growth (HH or Sq. Ft) Trip Rate Forecast Trips Single-Family Residential 15,857 0.87 13,716 Multi-Family Residential 17,456 0.51 8,903 Retail 5,117,500 1.66 8,508 Office 6,796,800 1.16 7,850 Industrial 9,289,800 0.67 6,178 Other 12,441,000 1.00 12,441 4.5 FEE ESTIMATION As required by the Mitigation Fee Act, the following section outlines the methodology for calculating the proposed fee and demonstrates how there is a reasonable relationship between the amount of the proposed fee and the cost of the public facility or portion of the public facility attributable to the development on which the fees will be imposed. The following steps were taken to determine the fee for each land use type: 1. Determine total unfunded cost. 2. Determine average AM/PM forecast peak-hour trips generated 3. Determine Fee per Land Use Category 4. Determine Maximum Fee 4.5.1 TOTAL UNFUNDED COST The total investment for projects eligible to receive TVTDF funding is estimated to be $4.470 billion, where $3.677 billion is unfunded. An additional reduction was applied to account for external “cut-though” trips on roadway congestion projects. Future development within the Tri-Valley area is not responsible to pay for these trips since these trips are caused by growth outside of the Tri-Valley area. This reduces the total unfunded cost to be covered by the maximum TVTDF to $2.928 billion. Note that this not change the overall project costs. 4.5.2 PEAK-HOUR TRIP FORECAST Section 4.4.2. describes how the peak hour forecast was determined. Based on Table 22, an average of 57,596 AM/PM peak hour trips are generated by the land use growth between 2020 and 2040.