25D - 55 AND ALTON AVE OVERCROSSING

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Task 2.3 Data Collection Peak period intersection turning movement counts will be collected for up to 16 intersections during the AM and PM Peak hours. It will be necessary to communicate with OCTA staff in order to establish the refined future traffic volumes. If any additional arterial intersections must be analyzed, extra work compensation may be requested. The Huitt- Zollars Team will also review the freeway ramps and intersections in the field to observe and inventory roadway geometrics, existing traffic operation, and relevant information during peak hours. Task 2.4 Traffic Analysis The Huitt-Zollars Team will prepare a traffic study for the project. The analysis scenarios include: I. Existing (2009) Traffic Conditions II. Future Traffic Conditions a. Construction Year with and without Project b. Long Range Year (2035) with and without Project The study will address traffic conditions at all relevant intersections and freeway ramps and weaving sections required by the County Congestion Management Plan, Caltrans and City guidelines. Task 2.5 Mitigation and Recommendation Improvements and mitigation measures will be provided as a result of the study. If necessary, we will develop and provide conceptual mitigation measures through restriping, signal modifications, or turning lanes. Design of mitigation requiring physical road construction at any location is excluded from our scope of services. Task 2.6 Submittal and Review of Report The traffic study will be submitted to you for review and forwarding to the City of Santa Ana and other necessary agencies. Reproducible copies of the report will be furnished to you (the Client) for reproduction and inclusion with other studies for each submittal. Any proper or reasonable revisions will be incorporated into our traffic study in order to be fully responsive to the Scope of Services. Reasonable revisions include any corrections to the report within the general scope of work, but exclude any traffic data collection or analysis at any locations except as specified in our proposal. Task 2.7 Project Support The Huitt-Zollars Team will be available to the City of Santa Ana to discuss traffic aspects of the project. Environmental Re-Validation TASK 3.0 ENVIRONMENTAL RE-VALIDATION Based on the information that has been reviewed to date for the proposed project the following tasks have been identified related to the Environmental Re-Validation. Based on meetings to be held with Caltrans following the receipt of a notice to proceed from the City, and based on the updated/revised project design, some additional tasks may be required andlor some tasks identified may not be needed. This will be closely coordinated with the City as the project moves forward. Our Environmental Re-Validation Lead will be actively participating throughout the preparation of the Environmental Re-Validation, which is assumed to be completed in less than 16 months. Task 3.1 Focused Environmental Meeting Following further in depth analysis of the environmental documentation that has been prepared for the proposed project, a meeting will be scheduled with Caltrans to discuss the additional environmental documentation that will be required, if any. Prior to the meeting with Caltrans, a separate meeting will be held with the City to discuss the findings and the likely additional documentation that would be required, if any. Task 3.2 Environmental Documentation All environmental documentation will be consistent with meeting the requirements of CEQA and NEPA, as well as those of related environmental statutes and regulations. Preparation of all environmental documentation and reports will follow local, state, and federal environmental guidelines, primarily consisting of the Caltrans Standard 25D-51