New development contributes to cumulative traffic impacts, which are significant, widespread, off-site impacts to the existing system of county maintained roadways that are difficult to measure and mitigate on a project-by-project basis, yet are cumulatively measurable and mitigable. The county has completed a background study (on file with the board of supervisors and the public works agency) that identifies the total cumulative traffic impact of projected new development and the method for determining each individual new development’ s share of that traffic impact. The purpose of collecting the cumulative traffic impact mitigation (CTIM) fee is to implement the findings of the study, thereby assuring that each new development bears the burden of its individual, incremental share of those roadway improvements needed to offset the cumulative traffic impacts caused by all new development. The revenue generated from this fee shall be allocated to roadway capital improvement projects that are designed to mitigate such cumulative traffic impacts. (Ord. 2002-59 § 1 (part))