Unless exempted below, a traffic impact analysis (TIA) shall be required for changes of use to determine if roadway improvements will be required, zoning map changes utilizing a development plan, site plans, and preliminary plats that can be anticipated to generate at least 150 vehicle trips at the peak hour (as determined by Institute of Transportation Engineers Standards). Trips generated by separate developments meeting the criteria of paragraph 3.3.3, TIA Submission for Projects with Cumulative Impacts, shall be considered cumulatively.