RBF CONSULTING 1 - 2007 - Laserfiche WebLink

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i City of Santa Ana e �- Proposal for 601 North Parkcenter Drive Initial Study and Mitigated Negative Declaration generation forecast will not include reduction to account for displaced land uses trips. Assumptions regarding project trip generation will be reviewed and approved - by agency staff prior to inclusion in the analysis. Proposed Project Trip Distribution & Assignment. The traffic study will provide a forecast distribution of project -generated trips. Manual trip distribution and assignment will be reviewed and approved by agency staff prior to utilization in the analysis. Level of Service. The analysis will assess the forecast traffic impacts of the proposed project during the a.m. peak hour and p.m. peak hour at the study intersections. The analysis will document the existing operation of the study intersections and determine near -term and long-range year operation of the study - intersections both with and without the proposed project to identify project -related traffic impacts using the Highway Capacity Manual (HCM) 2000 analysis - methodology. This scope of work assumes the Traffix software will be utilized for preparation of the level of service analysis. This scope of work assumes forecast near -term and long-range year traffic volumes will be based on application of an annual traffic growth rate provided by agency staff, - or by adding cumulative projects provided by agency staff to adjust existing traffic AL volumes to the designated future horizon year. If agency staff provides specific cumulative projects, this scope assumes RBF will derive trip distribution and - assignment at up to ten (10) cumulative projects. If the analysis shows the proposed project will significantly impact an intersection _ based on agency thresholds of significance, mitigation measures will be recommended in accordance with agency performance criteria. The analysis will also document forecast operating conditions after application of recommended mitigation measures. .t Traffic Signal Warrants. This scope of work assumes traffic signal warrants will be prepared at up to two (2) unsignalized study intersections. Traffic signal warrants will be prepared in accordance with the California MUTCD (FHWA MUTCD 2003 Revision 1) methodology. If applicable, existing conditions traffic signal warrants will be prepared using peak hour and daily traffic volume data for the applicable eight - California MUTCD signal warrants, and future traffic signal warrants will be prepared using estimated average daily traffic (ADT) applied to the California MUTCD Table 4C.103 (CA). This scope of work assumes agency staff will provide three years of collision data for inclusion in the traffic signal warrant analysis. State Highway Analysis. The purpose of the State of California Department of Transportation (Caltrans) Guide for the Preparation of Traffic Impact Studies is to provide a safe and efficient State Highway transportation system, provide consistency and uniformity in the identification of traffic impacts generated by local land use proposals, and consistency and equity in the identification of measures to mitigate the traffic impacts generated by land use proposals. The Caltrans traffic studies guide requires review of substantial individual projects, which might on their own impact the State Highway transportation system. JN 10-105908 • 7 • August 8, 2007