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09-24-18_FULL PACKET
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09-24-18_FULL PACKET
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<br />LINSCOTT, LAW & GREENSPAN, engineers LLG Ref. 2-17-3881-1 <br />Tustin Avenue Retail, Santa Ana <br />N:\3800\2173881 - Tustin Avenue Retail, Santa Ana\Report\3881 - Tustin Avenue Retail, Santa Ana TIA 03-13-18.doc <br /> i <br />TABLE OF CONTENTS <br />SECTION PAGE <br />1.0 Introduction ................................................................................................................................. 1 <br />1.1 Scope of Work ...................................................................................................................... 1 <br />1.2 Study Area ............................................................................................................................ 2 <br /> <br />2.0 Project Description ..................................................................................................................... 3 <br />2.1 Site Access ............................................................................................................................ 3 <br /> <br />3.0 Existing Conditions ..................................................................................................................... 5 <br />3.1 Existing Street System .......................................................................................................... 5 <br />3.1.1 Public Transit .............................................................................................................. 5 <br />3.2 Existing Traffic Volumes ...................................................................................................... 6 <br />3.3 Intersection Analysis Methodologies .................................................................................... 6 <br />3.3.1 Intersection Capacity Utilization (ICU) Method of Analysis ..................................... 6 <br />3.3.2 Highway Capacity Manual 6 (HCM 6) Method of Analysis (Unsignalized <br />Intersections) ......................................................................................................................... 7 <br />3.3.3 Level of Service Criteria ............................................................................................. 7 <br />3.4 Existing Level of Service Results ....................................................................................... 11 <br /> <br />4.0 Traffic Forecasting Methodology ............................................................................................ 13 <br /> <br />5.0 Project Traffic Characteristics ................................................................................................ 14 <br />5.1 Project Traffic Generation .................................................................................................. 14 <br />5.2 Project Trip Distribution and Assignment .......................................................................... 14 <br />5.3 Existing Plus Project Traffic Conditions ............................................................................ 15 <br /> <br />6.0 Future Traffic Conditions ........................................................................................................ 17 <br />6.1 Ambient Traffic Growth ..................................................................................................... 17 <br />6.2 Cumulative Projects Traffic Characteristics ....................................................................... 17 <br />6.2.1 Year 2019 Traffic Volumes ...................................................................................... 17 <br /> <br />7.0 Traffic Impact Analysis Methodology .................................................................................... 21 <br />7.1 Impact Criteria and Thresholds ........................................................................................... 21 <br />7.2 Traffic Impact Analysis Scenarios ...................................................................................... 22 <br /> <br />8.0 Peak Hour Intersection Capacity Analysis ............................................................................. 23 <br />8.1 Existing Plus Project Analysis ............................................................................................ 23 <br />8.1.1 Existing Plus Project Traffic Conditions .................................................................. 23 <br />8.2 Year 2019 Traffic Conditions ............................................................................................. 25 <br />8.2.1 Year 2019 Cumulative Traffic Conditions ............................................................... 25 <br />8.2.2 Year 2019 Cumulative Plus Project Conditions ....................................................... 25 <br /> <br />2-55
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