1.1 Introduction to Criteria For Preparation Of Traffic Impact Studies for the city of Anaheim
The City of Anaheim requires traffic studies to assess the impact of land use proposals on both existing and future circulation systems, ensuring compliance with the California Environmental Quality Act (CEQA) and Congestion Management Program (CMP) laws and guidelines. It is the developer's responsibility to identify and document the traffic impacts of a proposed project.
Applicants seeking project approval through actions such as General Plan Amendments, Re-classifications, Specific Plans, Variances, Conditional Use Permits, Tentative Tract Maps, Tentative Parcel Maps, or Building Permits will be informed at the pre-file/Interdepartmental Committee stage if a traffic study is necessary. This requirement may also apply to projects that have significant enough impacts to warrant a traffic study, as determined by the City Traffic and Transportation Manager.
A written analysis that meets the requirements outlined in the "Traffic Study Content and Format" section of this manual is mandatory prior to approval in the following situations:
- When the AM or PM peak hour trip generation from the proposed development is expected to exceed 100 vehicle trips.
- For projects on the CMP Highway System that generate 1,600 Average Daily Trips (ADT) or are adjacent to the CMP Highway System generating 2,400 ADT.
- For projects adding 51 or more trips during either the AM or PM peak hours to any monitored CMP intersection.
- For any project proposing variations from the standards and guidelines provided in this manual.
In cases where insufficient information is available to make a preliminary assessment of a proposal's traffic impacts, the City Traffic and Transportation Manager will determine the necessity of a traffic study.
Traffic studies must be prepared under the direction of a registered traffic engineer or a registered civil engineer with documented experience in transportation planning and traffic engineering. Initially, the study should be submitted in draft form to the Traffic Engineering Division. The City Traffic and Transportation Manager will provide written comments to the developer and their engineer, allowing for necessary revisions before final submission.
A flow chart illustrating the traffic study approval process is provided in Figure 1.
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