APPENDIX I TRAFFIC IMPACT ANALYSIS

Transcription

1 I NITIAL S TUDY/MITIGATED NEGATIVE D ECLARATION NO M ARCH 2018 K ILLEFER SQUARE A PARTMENTS C ITY OF ORANGE, COUNTY OF ORANGE, CALIFORNIA APPENDIX I TRAFFIC IMPACT ANALYSIS P:\WSH1601\March 2018\Killefer ISMND _City Comments_ docx «03/08/18»

2 November 22, 2017 BERKELEY CARLSBAD FRESNO IRVINE LOS ANGELES PALM SPRINGS POINT RICHMOND RIVERSIDE ROSEVILLE SAN LUIS OBISPO Doug Keys City of Orange Traffic Engineering 300 E. Chapman Avenue Orange, CA Subject: Killefer Square Apartments Traffic Impact Analysis Dear Mr. Keys: LSA had previously submitted this Traffic Impact Analysis (TIA) for the Killefer Square Apartments Project (project), formerly known as Killefer Square Specific Plan, at 541 North Lemon Street in the City of Orange (City) in August This TIA focused on weekday a.m. and p.m. peak-hour operations at eight study intersections and concluded that the development of an 80 unit student housing facility would not result in any significant traffic impacts to the surrounding roadway network. In September 2017, the project was revised and resubmitted to the City with a new dwelling unit count of 24 multiple-family residential units. Pursuant to our telephone conversation on October 4th, 2017 we agreed that an entirely new TIA would not be necessary to analyze another project on the same site with fewer units. As shown below, LSA prepared a trip generation and comparison table for the revised project. AM Peak Hour PM Peak Hour Land Use Size Unit ADT In Out Total In Out Total Trip Ratesˡ Apartments (Land Use 220) DU Trip Generation Previous TIA 80 DU Current Project 24 DU ˡ Trip rates based on the Institute of Transportation Engineers (ITE) Trip Generation manual, 10th Edition (2017). As anticipated, the revised 24 unit project was found to generate less traffic and would not result in a significant traffic impacts to the surrounding roadway network, and would not create a need for any mitigation measures. Sincerely, LSA Associates, Inc. Donson Liu, T.E. Transportation Engineer 20 Executive Park, Suite 200, Irvine, California

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4 T R A F F I C I M P A C T A N A LY S I S KILLEFER SQUARE SPEC IFIC PLAN CITY OF ORANGE, CALIFORNIA Submitted to: Doug DeCinces Western States Housing, LLC 12 Strawberry Farms Road Irvine, California Prepared by: LSA 20 Executive Park, Suite 200 Irvine, California (949) Project No. WSH1601 August 2017

5 T R A F F I C I M P A C T A N A L Y S I S A U G U S T 2017 K I L L E F E R S Q U A R E S P E C I F I C P L A N C I T Y O F O R A N G E, C A L I F O R N I A TABLE OF CONTENTS INTRODUCTION... 3 PROJECT DESCRIPTION... 3 Study Area Boundary... 3 PERFORMANCE CRITERIA... 6 EXISTING CONDITIONS... 7 Existing Setting... 7 Existing Traffic Volumes and Levels of Service... 7 CUMULATIVE OPENING YEAR NO PROJECT CONDITIONS Cumulative Opening Year No Project Level of Service Analysis PROPOSED PROJECT Trip Generation Trip Distribution and Assignment EXISTING PLUS PROJECT CONDITIONS CUMULATIVE OPENING YEAR PLUS PROJECT CONDITIONS SITE ACCESS ANALYSIS TRAFFIC SIGNAL WARRANT ANALYSIS CONCLUSIONS APPENDICES A: Existing Traffic Counts B: ICU Level of Service Worksheets C: HCM Level of Service Worksheets D: Cumulative Projects P:\WSH1601\LSA tech studies\traffic\tia\tia docx «08/23/17» i

6 T R A F F I C I M P A C T A N A L Y S I S A U G U S T 2017 K I L L E F E R S Q U A R E S P E C I F I C P L A N C I T Y O F O R A N G E, C A L I F O R N I A FIGURES FIGURES AND TABLES Figure 1: Project Location and Study Area Intersections... 4 Figure 2: Site Plan... 5 Figure 3: Existing Geometrics and Traffic Control... 8 Figure 4: Existing Peak-Hour Volumes... 9 Figure 5: Cumulative Opening Year (2019) Peak-Hour Volumes Figure 6: A.M. Trip Distribution and Assignment Figure 7: P.M. Trip Distribution and Assignment Figure 8: Existing Plus Project Peak-Hour Volumes Figure 9: Cumulative Opening Year (2019) Plus Project Peak-Hour Volumes TABLES Table A: Existing Intersection LOS Summary... 7 Table B: Cumulative Opening Year (2019) Intersection LOS Summary Table C: Killefer Student Housing Trip Generation Table D: Existing Plus Project Intersection LOS Summary Table E: Cumulative Opening Year (2019) Plus Project Intersection LOS Summary P:\WSH1601\LSA tech studies\traffic\tia\tia docx «08/23/17» ii

7 T R A F F I C I M P A C T A N A L Y S I S A U G U S T 2017 K I L L E F E R S Q U A R E S P E C I F I C P L A N C I T Y O F O R A N G E, C A L I F O R N I A KILLEFER SQUARE SPECIFIC PLAN TRAFFIC IMPACT ANALYSIS LSA has prepared the following analysis to identify the traffic impacts resulting from the assumed construction of 80 units of student housing (project), which represents the maximum build-out of the Killefer Square Specific Plan, at 541 North Lemon Street in the City of Orange (City), County of Orange, California. LSA has prepared this analysis consistent with the City of Orange Traffic Impact Analysis Guidelines (August 2007) and the requirements of the California Environmental Quality Act. The Scope of Work for this analysis was reviewed and approved by City Traffic Engineering staff (April 2016) prior to its preparation. This study was then revised based on City provided comments in a letter dated May 8, Revisions included the expansion of the study area, updates to the cumulative project list, and project trip generation assumptions. This Traffic Impact Analysis (TIA) focuses on the daily, a.m. peak-hour, and p.m. peak-hour levels of service (LOS) at eight intersections. Project impacts are determined based on analysis of the following scenarios: 1. Existing 2. Existing Plus Project 3. Cumulative (2019) 4. Cumulative Plus Project INTRODUCTION The existing 1.70-acre project area contains the currently vacant Killefer Elementary School historic building, two ancillary school structures on the north and south sides of the school building, and associated parking. The school is at 541 North Lemon Street, north of Walnut Avenue and bounded by Lemon Street on the west and Olive Street on the east. The project site is approximately 1.5 blocks (approximately 800 feet [ft]) northwest of Chapman University (University), as shown on Figure 1. The site is within a mixed-use area that includes single-family residential uses, multifamily residential uses, schools, and a park. Richland Continuation High School is north of the project site and currently shares a parking area with the project site. PROJECT DESCRIPTION The project would permit up to 80 units (354 beds) of student housing and up to two levels of subterranean parking in addition to preserving the Killefer Elementary School building. The tallest structure proposed on the site would be four stories high (above ground surface). Access to the project would use one unsignalized driveway on Lemon Street. Figure 2 provides a site plan for the proposed student housing project. Study Area Boundary As illustrated on Figure 1, the study area includes the following intersections within the project vicinity: P:\WSH1601\LSA tech studies\traffic\tia\tia docx «08/23/17» 3

8 PROJECT SITE LEGEND - Study Area Intersection # FIGURE 1 0 N 500 FEET SOURCE: ESRI 1000 I:\WSH1601\G\Traffic\Location&Study Ints.cdr (8/24/2017) Killefer Square Specific Plan Project Location and Study Area Intersections

9 FIGURE 2 N FEET SOURCE: Gilbert Engineering & Associates, Inc. I:\WSH1601\G\Traffic\Site Plan.cdr (8/21/2017) Killefer Square Specific Plan Site Plan

10 T R A F F I C I M P A C T A N A L Y S I S A U G U S T 2017 K I L L E F E R S Q U A R E S P E C I F I C P L A N C I T Y O F O R A N G E, C A L I F O R N I A 1. Main Street/Walnut Avenue 2. Batavia Street/Walnut Avenue 3. Lemon Street/Walnut Avenue 4. Glassell Street/Walnut Avenue 5. Orange Street/Walnut Avenue 6. Lemon Street/Palm Avenue 7. Lemon Street/Maple Avenue 8. Lemon Street/Chapman Avenue PERFORMANCE CRITERIA To determine the peak-hour intersection operations at signalized intersections within the study area, intersection capacity utilization (ICU) methodology was used. The ICU methodology compares the volume-to-capacity (v/c) ratios of conflicting turn movements at an intersection, sums these critical conflicting v/c ratios for each intersection approach, and determines the overall ICU. The resulting ICU is expressed in terms of LOS, where LOS A represents free-flow activity and LOS F represents overcapacity operation. According to the City s TIA Guidelines, LOS at an intersection is considered unsatisfactory when the ICU exceeds 0.90 (LOS D). The relationship of ICU (v/c ratio) to LOS is demonstrated in the following table. LOS Signalized ICU (v/c ratio) Unsignalized Intersection Delay (seconds) A B >10.0 and 15.0 C >15.0 and 25.0 D >25.0 and 35.0 E >35.0 and 50.0 F > 1.00 >50.0 ICU = intersection capacity utilization LOS = level of service v/c = volume-to-capacity A project impact at a signalized intersection occurs when the LOS changes from an acceptable LOS (LOS A through D) to LOS E or F, or if the project increases the ICU by 0.01 or more at an already unacceptable LOS. In addition to the ICU methodology of calculating signalized intersection LOS, the California Department of Transportation (Caltrans) Highway Capacity Manual (HCM) 2010 methodology was used to determine the LOS at unsignalized study area intersections. The HCM 2010 unsignalized intersection methodology presents LOS in terms of control delay in seconds per vehicle. The resulting delay is expressed in terms of LOS, as in the ICU methodology. The relationship of delay to LOS is demonstrated in the above table. P:\WSH1601\LSA tech studies\traffic\tia\tia docx «08/23/17» 6

11 T R A F F I C I M P A C T A N A L Y S I S A U G U S T 2017 K I L L E F E R S Q U A R E S P E C I F I C P L A N C I T Y O F O R A N G E, C A L I F O R N I A A project impact at an unsignalized intersection occurs when the LOS changes from an acceptable LOS (LOS A through D) to LOS E or F, or if the impact of the development is greater than or equal to 10 percent of the existing delay at an already unacceptable LOS and the intersection meets a signal warrant. EXISTING CONDITIONS Existing Setting The project site is bounded by Lemon Street on the west and Olive Street on the east. These two streets are designated as Collector Streets in the City s General Plan. Collector streets are two-lane roadways (without medians) that gather and distribute traffic to higher-capacity streets (e.g., Walnut Avenue). Intersections along these streets are typically stop-controlled. On-street parking is allowed on both of these streets, and sidewalks are provided on both sides. In the project vicinity, Glassell Street is designated as a Primary Arterial, except for the segment between La Veta Avenue and Walnut Avenue, where it is designated as a Collector Street. Walnut Avenue is designated as a Collector Street. Figure 3 shows the existing geometries and traffic control at study area intersections. Existing Traffic Volumes and Levels of Service National Data & Surveying Services conducted existing traffic counts for the study area intersections and roadway segments on Tuesday, April 12, 2016, when the University and the nearby Orange Unified School District schools were in session. Due to the timing of the revised scope and request to add additional intersections to the study area, City staff provided additional count data for the intersections of Lemon Street at Palm Avenue, Maple Avenue, and Chapman Avenue. These City provided counts were collected on May 5, 2015, and May 4, The existing traffic counts are provided in Appendix A. Figure 4 shows the existing peak-hour volumes at the study area intersections. The ICU and HCM worksheets for existing (and all future) conditions are included in Appendices B and C, respectively. A summary of existing intersection LOS is presented in Table A. As this table indicates, all study area intersections currently operate at satisfactory LOS (LOS D or better). Table A: Existing Intersection LOS Summary Study Area AM Peak Hour PM Peak Hour No. Intersection ICU/Delay LOS ICU/Delay LOS 1 Main Street/Walnut Avenue 0.63 B 0.68 B 2 Batavia Street/Walnut Avenue 0.51 A 0.46 A 3 Lemon Street/Walnut Avenue HCM 16.3 C 16.3 C 4 Glassell Street/Walnut Avenue 0.54 A 0.63 B 5 Orange Street/Walnut Avenue HCM 17.7 C 21.6 C 6 Lemon Street/Palm Avenue HCM 11.4 B 12.0 B 7 Lemon Street/Maple Avenue HCM 9.3 A 10.3 B 8 Lemon Street/Chapman Avenue 0.51 A 0.58 A HCM = Highway Capacity Manual ICU = Intersection Capacity Utilization LOS = level of service P:\WSH1601\LSA tech studies\traffic\tia\tia docx «08/23/17» 7

12 wvt ad ace acd 1 Main Street/Walnut Avenue wvt ad ad acd 2 Batavia Street/Walnut Avenue y f wt f y ad f f ad ae be be 3 Lemon Street/Walnut Avenue 4 Glassell Street/Walnut Avenue 5 Orange Street/Walnut Avenue y f y be d d xu ad d be f d f be be ace d 6 Lemon Street/Palm Avenue 7 Lemon Street/Maple Avenue 8 Lemon Street/Chapman Avenue FIGURE 3 LEGEND Killefer Square Specific Plan Signal Existing Geometrics and Traffic Control Stop Sign Defacto Right Turn d P:\WSH1601\LSA tech studies\traffic\xls\fig 3 geometrics.xls 8/24/2017

13 12 / / / / / / Main Street/Walnut Avenue 29 / / / / / / 31 2 Batavia Street/Walnut Avenue 21 / / 42 3 / / / / / / / / / 42 3 / / / / / / / / / / / / / / / / / / / / / / / / / 1 6 / / 33 4 / / / 42 5 / / / / / / 57 7 / Lemon Street/Walnut Avenue 4 Glassell Street/Walnut Avenue 5 Orange Street/Walnut Avenue 30 / / / / / / / / / / 25 3 / 9 45 / / / / / / / / / / / / / / / / / / / / / / / / / 20 6 Lemon Street/Palm Avenue 7 Lemon Street/Maple Avenue 8 Lemon Street/Chapman Avenue FIGURE 4 XXX / YYY AM / PM Volume Killefer Square Specific Plan Existing Peak-Hour Volumes P:\WSH1601\LSA tech studies\traffic\xls\fig 4 Existing ITMs 2.xls (8/24/2017)

14 T R A F F I C I M P A C T A N A L Y S I S A U G U S T 2017 K I L L E F E R S Q U A R E S P E C I F I C P L A N C I T Y O F O R A N G E, C A L I F O R N I A CUMULATIVE OPENING YEAR NO PROJECT CONDITIONS According to the applicant, the project will be completed by In order to develop a cumulative opening year (2019) condition, an ambient growth rate of 1 percent per year (a total of 3 percent) was applied to existing traffic volumes to account for regional growth between the year of existing counts and the project completion year. Additionally, anticipated traffic from other committed and/or approved (cumulative) developments was added. Prior to the preparation of this analysis, LSA obtained information regarding approved and pending projects from the City Planning Department (May 2016). This list of cumulative projects was refined through coordination with City staff based on the anticipated contribution to traffic within the study area. As a result, several cumulative projects were included as part of this analysis because they have the greatest potential to add traffic within the study area. Further updates to this list were provided by City staff in their May 2017 letter. Updates included the removal of a cumulative project that is not anticipated to be completed and the addition of two new projects. The updated cumulative project list is as follows: Urth Caffé (southwest corner of Glassell Street and Chapman Avenue) Old Town Gateway (west side of Cypress Street, north of Chapman Avenue) Chapman Villa Park Orchards Packing House (west side of Cypress Street, between Sycamore Avenue and Palm Avenue) Chapman Villa Park Orchards West Residential Village (north side of Sycamore Avenue, east of Center Street) Quality Aluminum Forge (west side of Cypress Street, between Collins Avenue and Walnut Avenue) Lemon Grove (west side of Lemon Street, between Hoover Avenue and Wilson Avenue) Chapman Center for Science and Technology (south side of Walnut Avenue, between Grand Street and Center Street) Chapman University Recreation/Tennis Center (north side of Palm Avenue, between Cypress Street and Lemon Street) Metrolink Parking Structure (southwest corner of Lemon Street and Maple Avenue) Santa Fe Depot Specific Plan (between Palmyra Avenue and Walnut Avenue, between Parker Street and Olive Street) The project trip distribution and assignment for the cumulative projects were manually assigned to the local roadway network based on regional trip destinations and the existing roadway network. The cumulative project trip generation potential and assignment to the study area are provided in Appendix D. Figure 5 shows the cumulative (2019) no project peak-hour volumes. P:\WSH1601\LSA tech studies\traffic\tia\tia docx «08/23/17» 10

15 12 / / / / / / Main Street/Walnut Avenue 34 / / / / / / 46 2 Batavia Street/Walnut Avenue 22 / / 56 3 / / / / / / / / / 58 3 / / / / / / / / / / / / / / / / / / / / / / / / / 1 6 / / 39 4 / / / / / / / / / / Lemon Street/Walnut Avenue 4 Glassell Street/Walnut Avenue 5 Orange Street/Walnut Avenue 31 / / / / / / / / / / 27 3 / 9 76 / / / / / / / / / / / / / / / / / / / / / / / / / 21 6 Lemon Street/Palm Avenue 7 Lemon Street/Maple Avenue 8 Lemon Street/Chapman Avenue FIGURE 5 XXX / YYY AM / PM Volume Killefer Square Specific Plan Cumulative Opening Year (2019) Peak-Hour Volumes P:\WSH1601\LSA tech studies\traffic\xls\fig 5 OY ITMs.xls (8/24/2017)

16 T R A F F I C I M P A C T A N A L Y S I S A U G U S T 2017 K I L L E F E R S Q U A R E S P E C I F I C P L A N C I T Y O F O R A N G E, C A L I F O R N I A Cumulative Opening Year No Project Level of Service Analysis Table B summarizes the results of the cumulative a.m. and p.m. peak-hour LOS analysis for all study area intersections. Table B: Cumulative Opening Year (2019) Intersection LOS Summary Study AM Peak Hour PM Peak Hour Area No. Intersection ICU/Delay LOS ICU/Delay LOS 1 Main Street/Walnut Avenue 0.68 B 0.75 C 2 Batavia Street/Walnut Avenue 0.57 A 0.52 A 3 Lemon Street/Walnut Avenue HCM 22.3 C 24.2 C 4 Glassell Street/Walnut Avenue 0.61 A 0.72 C 5 Orange Street/Walnut Avenue HCM 20.4 C 28.5 D 6 Lemon Street/Palm Avenue HCM 12.6 B 14.5 B 7 Lemon Street/Maple Avenue HCM 10.0 A 11.9 B 8 Lemon Street/Chapman Avenue 0.59 A 0.69 A HCM = Highway Capacity Manual ICU = Intersection Capacity Utilization LOS = level of service As Table B indicates, all study area intersections would continue to operate at acceptable LOS (LOS D or better). PROPOSED PROJECT Trip Generation For the purposes of disclosing the approximate number of trips generated by the project, trip rates contained in the Institute of Transportation Engineers (ITE) Trip Generation Manual, 9 th Edition, were used to calculate the potential trip generation. Specifically, the apartment by unit land use was selected through coordination with City staff as the most appropriate rate for the project. It should be noted that this trip generation rate is based on non-student housing and therefore would overstate the trip generation potential of a student apartment use. As previously noted, the site is 1.5 blocks away from Chapman University, a distance that would lend itself to travel modes such as walking and biking. This estimate does not take credit for student trips to school that would be made via walking or biking and therefore presents a higher trip generation potential than would be expected. Table C shows the project trip generation. Table C: Killefer Student Housing Trip Generation Daily AM Peak Hour PM Peak Hour Land Use Size Unit Trips In Out Total In Out Total Trip Ratesˡ Apartments (220) DU Trip Generation Killefer Student Housing 80 DU ˡ Trip rates are based on the Institute of Transportation Engineers Trip Generation Manual, 9 th Edition (2012). P:\WSH1601\LSA tech studies\traffic\tia\tia docx «08/24/17» 12

17 T R A F F I C I M P A C T A N A L Y S I S A U G U S T 2017 K I L L E F E R S Q U A R E S P E C I F I C P L A N C I T Y O F O R A N G E, C A L I F O R N I A As shown in Table C, the proposed project is forecast to generate 532 average daily trips (ADT), 41 a.m. peak-hour trips (8 inbound and 33 outbound), and 50 p.m. peak-hour trips (32 inbound and 18 outbound). Trip Distribution and Assignment The regional project trip distribution and assignment for a.m. and p.m. peak hours are illustrated on Figures 6 and 7 in blue. City staff reviewed and approved these percentages prior to the completion of the analysis (May 2017). As shown on Figures 6 and 7, 20 percent of the trips are destined to the south (via Lemon Street and Main Street) toward State Route 22, 20 percent are destined to the west (via Walnut Avenue) toward Interstate 5 and State Route 57, 40 percent are destined east (via Walnut Avenue) toward the Chapman University campus and State Route 55, and 20 percent are destined north (via Main Street and Lemon Street). The project trip distribution shows that approximately 25 percent of the project trips are oriented toward the University. Figures 6 and 7 illustrate the project vehicle trip assignment in red based on the net project trip generation and the trip distribution identified above. EXISTING PLUS PROJECT CONDITIONS To demonstrate the effect the project would have on the study area intersections in the existing condition, an existing plus project LOS analysis was prepared. This analysis assumed that the proposed project would add 532 ADT, 41 a.m. peak-hour trips, and 50 p.m. peak-hour trips (i.e., the trip generation for an 80-unit apartment) to the existing conditions. Figure 8 illustrates the existing plus project peak-hour volumes. Table D presents the summary of the existing plus project intersection LOS. As indicated in Table D, all study area intersections would continue to operate at satisfactory LOS (LOS D or better) Table D: Existing Plus Project Intersection LOS Summary Baseline Plus Project Study AM Peak Hour PM Peak Hour AM Peak Hour PM Peak Hour Area ICU/ ICU/ ICU/ ICU/ No. Intersection Delay LOS Delay LOS Delay LOS Delay LOS 1 Main Street/Walnut Avenue 0.63 B 0.68 B 0.64 B 0.69 B 2 Batavia Street/Walnut Avenue 0.51 A 0.46 A 0.52 A 0.48 A 3 Lemon Street/Walnut Avenue HCM 16.3 C 16.3 C 17.6 C 18.9 C 4 Glassell Street/Walnut Avenue 0.54 A 0.63 B 0.57 A 0.64 B 5 Orange Street/Walnut Avenue HCM 17.7 C 21.6 C 17.9 C 22.6 C 6 Lemon Street/Palm Avenue HCM 11.4 B 12.0 B 11.4 B 12.0 B 7 Lemon Street/Maple Avenue HCM 9.3 A 10.3 B 9.3 A 10.3 B 8 Lemon Street/Chapman Avenue 0.51 A 0.58 A 0.51 A 0.58 A HCM = Highway Capacity Manual ICU = Intersection Capacity Utilization LOS = level of service P:\WSH1601\LSA tech studies\traffic\tia\tia docx «08/24/17» 13

18 12 / / / / / / Main Street/Walnut Avenue 34 / / / / / / 46 2 Batavia Street/Walnut Avenue 22 / / 56 3 / / / / / / / / / 58 3 / / / / / / / / / / / / / / / / / / / / / / / / / 1 6 / / 39 4 / / / / / / / / / / Lemon Street/Walnut Avenue 4 Glassell Street/Walnut Avenue 5 Orange Street/Walnut Avenue 31 / / / / / / / / / / 27 3 / 9 76 / / / / / / / / / / / / / / / / / / / / / / / / / 21 6 Lemon Street/Palm Avenue 7 Lemon Street/Maple Avenue 8 Lemon Street/Chapman Avenue FIGURE 5 XXX / YYY AM / PM Volume Killefer Square Specific Plan Cumulative Opening Year (2019) Peak-Hour Volumes P:\WSH1601\LSA tech studies\traffic\xls\fig 5 OY ITMs.xls (8/24/2017)

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21 15 / / / / / / Main Street/Walnut Avenue 29 / / / / / / 31 2 Batavia Street/Walnut Avenue 24 / / 42 3 / / / / / / / / / 42 3 / / / / / / / / / / / / / / / / / / / / / / / / / 1 7 / / 33 4 / / / 42 7 / / / / / / 57 7 / Lemon Street/Walnut Avenue 4 Glassell Street/Walnut Avenue 5 Orange Street/Walnut Avenue 30 / / / / / / / / / / 25 3 / 9 45 / / / / / / / / / / / / / / / / / / / / / / / / / 20 6 Lemon Street/Palm Avenue 7 Lemon Street/Maple Avenue 8 Lemon Street/Chapman Avenue FIGURE 8 XXX / YYY AM / PM Volume Killefer Square Specific Plan Existing Plus Project Peak-Hour Volumes P:\WSH1601\LSA tech studies\traffic\xls\fig 8 Existing + Project ITMs.xls (8/24/2017)

22 T R A F F I C I M P A C T A N A L Y S I S A U G U S T 2017 K I L L E F E R S Q U A R E S P E C I F I C P L A N C I T Y O F O R A N G E, C A L I F O R N I A CUMULATIVE OPENING YEAR PLUS PROJECT CONDITIONS Traffic generated by the project was added to the cumulative traffic volumes at each study area intersection. Figure 9 illustrates the resulting cumulative plus project a.m. and p.m. peak-hour traffic volumes. Table E summarizes the results of the cumulative plus project a.m. and p.m. peak-hour LOS analysis for all study area intersections. As indicated in Table E, all study area intersections would continue to operate at satisfactory LOS (LOS D or better). Table E: Cumulative Opening Year (2019) Plus Project Intersection LOS Summary Baseline Plus Project Study AM Peak Hour PM Peak Hour AM Peak Hour PM Peak Hour Area ICU/ ICU/ ICU/ ICU/ No. Intersection Delay LOS Delay LOS Delay LOS Delay LOS 1 Main Street/Walnut Avenue 0.68 B 0.75 C 0.70 B 0.76 C 2 Batavia Street/Walnut Avenue 0.57 A 0.52 A 0.57 A 0.55 A 3 Lemon Street/Walnut Avenue HCM 22.3 C 24.2 C 24.9 C 28.6 D 4 Glassell Street/Walnut Avenue 0.61 A 0.72 C 0.64 B 0.74 C 5 Orange Street/Walnut Avenue HCM 20.4 C 28.5 D 20.7 C 30.3 D 6 Lemon Street/Palm Avenue HCM 12.6 B 14.5 B 12.8 B 14.6 B 7 Lemon Street/Maple Avenue HCM 10.0 A 11.9 B 10.1 B 12.0 B 8 Lemon Street/Chapman Avenue 0.59 A 0.69 A 0.59 A 0.70 B Note: Delay is reported in seconds. ICU = Intersection Capacity Utilization HCM = Highway Capacity Manual LOS = level of service SITE ACCESS ANALYSIS Currently, three driveways provide access to the parking lot shared by Killefer Elementary School and Richland Continuation High School. All three driveways are located on the east side of North Lemon Street. Residential lots with private driveways are located opposite the project site. The northernmost driveway is 140 ft from the middle driveway, which is 240 ft from the southernmost driveway. The project would use one driveway that leads to a subterranean parking lot. This driveway would be located near the existing southernmost driveway. Because Lemon Street is a Collector Street with low volumes and speeds, the distance between the driveways and major intersections is sufficient. An LOS analysis was performed for cumulative plus project conditions for the driveway. The driveway was found to operate at LOS B for all scenarios. The worksheets for the driveway LOS analysis are included in Appendix C. The project incorporates a continuous system of sidewalks within the project site. Safe access to the public street system (via Lemon Street and Olive Street) would be provided. Sidewalks are currently provided on both sides of Lemon Street and Olive Street. Where modes intersect (i.e., streets and P:\WSH1601\LSA tech studies\traffic\tia\tia docx «08/24/17» 17

23 15 / / / / / / Main Street/Walnut Avenue 34 / / / / / / 46 2 Batavia Street/Walnut Avenue 25 / / 56 3 / / / / / / / / / 58 3 / / / / / / / / / / / / / / / / / / / / / / / / / 1 7 / / 39 4 / / / / / / / / / / Lemon Street/Walnut Avenue 4 Glassell Street/Walnut Avenue 5 Orange Street/Walnut Avenue 31 / / / / / / / / / / 27 3 / 9 76 / / / / / / / / / / / / / / / / / / / / / / / / / 21 6 Lemon Street/Palm Avenue 7 Lemon Street/Maple Avenue 8 Lemon Street/Chapman Avenue FIGURE 9 XXX / YYY AM / PM Volume Killefer Square Specific Plan Cumulative Opening Year (2019) Plus Project Peak-Hour Volumes P:\WSH1601\LSA tech studies\traffic\xls\fig 9 OY+P ITMs.xls (8/24/2017)

24 T R A F F I C I M P A C T A N A L Y S I S A U G U S T 2017 K I L L E F E R S Q U A R E S P E C I F I C P L A N C I T Y O F O R A N G E, C A L I F O R N I A sidewalks), accessible ramps would be incorporated. Land uses within close proximity to the project site include other residential, industrial, retail, and University sites. All these land use types are accessible by nonautomotive means. According to the City s Circulation and Mobility Element, the City is looking to expand its bikeway and trail network. It is proposed that Walnut Avenue will eventually have a Class II on-street bike path and Glassell Street will have a Class III on-street bike path. Bicycles can travel on both of these streets as they exist today. Transit facilities are accessible to and from the project site. The Orange Metrolink Station is less than 1 mile from the project site. The Orange County Line and Inland Empire-Orange County Line stop at this station. The Orange County Line services stations from Oceanside to Los Angeles Union Station every day, with reduced service on weekends. The Inland Empire-Orange County Line services stations from Oceanside to San Bernardino every day, with reduced service on weekends. Orange County Transportation Authority (OCTA) buses service the region. A bus stop is provided at the northeast and southwest corners of Glassell Street/Walnut Avenue (Route 59). OCTA Route 59 provides transportation to and from the Cities of Anaheim and Irvine via Glassell Street. TRAFFIC SIGNAL WARRANT ANALYSIS Traffic signal warrant analyses are required when an unsignalized intersection is anticipated to operate at unacceptable LOS E or F. As all study area intersections are anticipated to operate at acceptable LOS D or better for all scenarios analyzed, a traffic signal warrant analysis is not considered necessary and is therefore not included in this TIA. CONCLUSIONS The evaluation of the study area intersection LOS with the construction of an 80-unit, 354-bed student housing facility show that the addition of project traffic to the existing and cumulative conditions is not anticipated to result in any significant impacts to the surrounding intersections. P:\WSH1601\LSA tech studies\traffic\tia\tia docx «08/23/17» 19

25 T R A F F I C I M P A C T A N A L Y S I S A U G U S T 2017 K I L L E F E R S Q U A R E S P E C I F I C P L A N C I T Y O F O R A N G E, C A L I F O R N I A APPENDIX A EXISTING TRAFFIC COUNTS P:\WSH1601\LSA tech studies\traffic\tia\tia docx «08/23/17»

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27 Main St and Walnut Ave, Orange Peak Hour Summary Date: 4/12/2016 Southbound Approach Project #: Day: Tuesday Lanes City: Orange AM AM AM Peak Hour 715 AM 0 NOON NOON 0 Main St NOON Peak Hour PM PM PM Peak Hour 445 PM Westbound Approach Walnut Ave AM NOON PM AM NOON PM Lanes CONTROL Signalized Lanes AM NOON PM AM NOON PM Eastbound Approach Count Periods Start End AM AM AM 7:00 AM 9:00 AM NOON NOON NOON NONE NONE PM PM PM 4:00 PM 6:00 PM Lanes Northbound Approach Total Volume Per Leg Total Ins & Outs North Leg North Leg AM 1493 AM NOON NOON PM 1726 PM East Leg AM NOON PM East Leg AM NOON PM AM NOON PM West Leg AM NOON PM West Leg AM AM 1761 NOON 0 0 NOON PM PM 1876 South Leg South Leg

28 Batavia St and Walnut Ave, Orange Peak Hour Summary Date: 4/12/2016 Southbound Approach Project #: Day: Tuesday Lanes City: Orange 0 0 AM AM 0 AM Peak Hour 715 AM NOON NOON Batavia St NOON Peak Hour PM PM PM Peak Hour 430 PM Westbound Approach Walnut Ave AM NOON PM AM NOON PM Lanes CONTROL Signalized Lanes AM NOON PM AM NOON PM Eastbound Approach Count Periods Start End AM AM AM 7:00 AM 9:00 AM NOON NOON NOON NONE NONE PM PM PM 4:00 PM 6:00 PM Lanes Northbound Approach Total Volume Per Leg Total Ins & Outs North Leg North Leg AM 1143 AM NOON NOON PM 1075 PM East Leg AM NOON PM East Leg AM NOON PM AM NOON PM West Leg AM NOON PM West Leg AM AM 1121 NOON 0 0 NOON PM PM 1070 South Leg South Leg

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30 Lemon St and Walnut Ave, Orange Peak Hour Summary Date: 4/12/2016 Southbound Approach Project #: Day: Tuesday Lanes City: Orange AM AM AM Peak Hour 715 AM 0 NOON NOON 0 Lemon St NOON Peak Hour PM PM PM Peak Hour 500 PM Westbound Approach Walnut Ave AM NOON PM AM NOON PM Lanes CONTROL Way Stop Lanes AM NOON PM AM NOON PM Eastbound Approach Count Periods Start End AM AM AM 7:00 AM 9:00 AM NOON NOON NOON NONE NONE PM PM PM 4:00 PM 6:00 PM Lanes Northbound Approach Total Volume Per Leg Total Ins & Outs North Leg North Leg AM 377 AM NOON NOON PM 237 PM East Leg AM NOON PM East Leg AM NOON PM AM NOON PM West Leg AM NOON PM West Leg AM AM 370 NOON 0 0 NOON PM PM 316 South Leg South Leg

31 Glassell St and Walnut Ave, Orange Peak Hour Summary Date: 4/12/2016 Southbound Approach Project #: Day: Tuesday Lanes City: Orange 0 0 AM AM 0 AM Peak Hour 730 AM NOON NOON Glassell St NOON Peak Hour PM PM PM Peak Hour 500 PM Westbound Approach Walnut Ave AM NOON PM AM NOON PM Lanes CONTROL Signalized Lanes AM NOON PM AM NOON PM Eastbound Approach Count Periods Start End AM AM AM 7:00 AM 9:00 AM NOON NOON NOON NONE NONE PM PM PM 4:00 PM 6:00 PM Lanes Northbound Approach Total Volume Per Leg Total Ins & Outs North Leg North Leg AM 822 AM NOON NOON PM 851 PM East Leg AM NOON PM East Leg AM NOON PM AM NOON PM West Leg AM NOON PM West Leg AM AM 810 NOON 0 0 NOON PM PM 890 South Leg South Leg

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33 Orange St and Walnut Ave, Orange 0 Peak Hour Summary Date: 4/12/2016 Southbound Approach Project #: Day: Tuesday Lanes City: Orange AM AM 0 AM Peak Hour 730 AM 0 0 NOON NOON Orange St NOON Peak Hour PM PM PM Peak Hour 445 PM Westbound Approach Walnut Ave AM NOON PM AM NOON PM Lanes CONTROL Way Stop (NB/SB) Lanes AM NOON PM AM NOON PM Eastbound Approach Count Periods Start End AM AM AM 7:00 AM 9:00 AM NOON NOON NOON NONE NONE PM PM PM 4:00 PM 6:00 PM Lanes Northbound Approach Total Volume Per Leg Total Ins & Outs North Leg North Leg AM 13 AM NOON NOON PM 46 PM East Leg AM NOON PM East Leg AM NOON PM AM NOON PM West Leg AM NOON PM West Leg AM AM 469 NOON 0 0 NOON PM PM 502 South Leg South Leg

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41 T R A F F I C I M P A C T A N A L Y S I S A U G U S T 2017 K I L L E F E R S Q U A R E S P E C I F I C P L A N C I T Y O F O R A N G E, C A L I F O R N I A APPENDIX B ICU LEVEL OF SERVICE WORKSHEETS P:\WSH1601\LSA tech studies\traffic\tia\tia docx «08/23/17»

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43 01 Existing No Project AM Tue May 30, :26:04 Page 2-1 Killefer Residential (WSH1601) Existing Conditions AM Peak Hour Level Of Service Computation Report ICU 1(Loss as Cycle Length %) Method (Future Volume Alternative) Intersection #1 Main St & Walnut Ave, Orange Cycle (sec): 100 Critical Vol./Cap.(X): Loss Time (sec): 5 Average Delay (sec/veh): xxxxxx Optimal Cycle: 31 Level Of Service: B Street Name: Main St Walnut Ave Approach: North Bound South Bound East Bound West Bound Movement: L - T - R L - T - R L - T - R L - T - R Control: Protected Protected Prot+Permit Prot+Permit Rights: Include Include Ovl Include Min. Green: Y+R: Lanes: Volume Module: Base Vol: Growth Adj: Initial Bse: Added Vol: PasserByVol: Initial Fut: User Adj: PHF Adj: PHF Volume: Reduct Vol: Reduced Vol: PCE Adj: MLF Adj: FinalVolume: OvlAdjVol: 145 Saturation Flow Module: Sat/Lane: Adjustment: Lanes: Final Sat.: Capacity Analysis Module: Vol/Sat: OvlAdjV/S: 0.09 Crit Moves: **** **** **** **** Traffix (c) 2008 Dowling Assoc. Licensed to LSA ASSOC. IRVINE, CA 01 Existing No Project AM Tue May 30, :26:04 Page 3-1 Killefer Residential (WSH1601) Existing Conditions AM Peak Hour Level Of Service Computation Report ICU 1(Loss as Cycle Length %) Method (Future Volume Alternative) Intersection #2 Batavia St & Walnut Ave, Orange Cycle (sec): 100 Critical Vol./Cap.(X): Loss Time (sec): 5 Average Delay (sec/veh): xxxxxx Optimal Cycle: 24 Level Of Service: A Street Name: Batavia St Walnut Ave Approach: North Bound South Bound East Bound West Bound Movement: L - T - R L - T - R L - T - R L - T - R Control: Permitted Permitted Permitted Permitted Rights: Include Include Include Include Min. Green: Y+R: Lanes: Volume Module: Base Vol: Growth Adj: Initial Bse: Added Vol: PasserByVol: Initial Fut: User Adj: PHF Adj: PHF Volume: Reduct Vol: Reduced Vol: PCE Adj: MLF Adj: FinalVolume: Saturation Flow Module: Sat/Lane: Adjustment: Lanes: Final Sat.: Capacity Analysis Module: Vol/Sat: Crit Moves: **** **** **** **** Traffix (c) 2008 Dowling Assoc. Licensed to LSA ASSOC. IRVINE, CA

44 01 Existing No Project AM Tue May 30, :26:04 Page 4-1 Killefer Residential (WSH1601) Existing Conditions AM Peak Hour Level Of Service Computation Report ICU 1(Loss as Cycle Length %) Method (Future Volume Alternative) Intersection #4 Glassell St & Walnut Ave, Orange Cycle (sec): 100 Critical Vol./Cap.(X): Loss Time (sec): 5 Average Delay (sec/veh): xxxxxx Optimal Cycle: 25 Level Of Service: A Street Name: Glassell St Walnut Ave Approach: North Bound South Bound East Bound West Bound Movement: L - T - R L - T - R L - T - R L - T - R Control: Permitted Permitted Permitted Permitted Rights: Include Include Include Include Min. Green: Y+R: Lanes: ! 0 0 Volume Module: Base Vol: Growth Adj: Initial Bse: Added Vol: PasserByVol: Initial Fut: User Adj: PHF Adj: PHF Volume: Reduct Vol: Reduced Vol: PCE Adj: MLF Adj: FinalVolume: Saturation Flow Module: Sat/Lane: Adjustment: Lanes: Final Sat.: Capacity Analysis Module: Vol/Sat: Crit Moves: **** **** **** **** Traffix (c) 2008 Dowling Assoc. Licensed to LSA ASSOC. IRVINE, CA 01 Existing No Project AM Tue May 30, :26:04 Page 5-1 Killefer Residential (WSH1601) Existing Conditions AM Peak Hour Level Of Service Computation Report ICU 1(Loss as Cycle Length %) Method (Future Volume Alternative) Intersection #8 Lemon St & Chapman Ave, Orange Cycle (sec): 100 Critical Vol./Cap.(X): Loss Time (sec): 5 Average Delay (sec/veh): xxxxxx Optimal Cycle: 24 Level Of Service: A Street Name: Lemon St Chapman Ave Approach: North Bound South Bound East Bound West Bound Movement: L - T - R L - T - R L - T - R L - T - R Control: Permitted Permitted Permitted Permitted Rights: Include Include Include Include Min. Green: Y+R: Lanes: Volume Module: Base Vol: Growth Adj: Initial Bse: Added Vol: PasserByVol: Initial Fut: User Adj: PHF Adj: PHF Volume: Reduct Vol: Reduced Vol: PCE Adj: MLF Adj: FinalVolume: Saturation Flow Module: Sat/Lane: Adjustment: Lanes: Final Sat.: Capacity Analysis Module: Vol/Sat: Crit Moves: **** **** **** **** Traffix (c) 2008 Dowling Assoc. Licensed to LSA ASSOC. IRVINE, CA

45 01 Existing No Project PM Tue May 30, :27:05 Page 2-1 Killefer Residential (WSH1601) Existing Conditions PM Peak Hour Level Of Service Computation Report ICU 1(Loss as Cycle Length %) Method (Future Volume Alternative) Intersection #1 Main St & Walnut Ave, Orange Cycle (sec): 100 Critical Vol./Cap.(X): Loss Time (sec): 5 Average Delay (sec/veh): xxxxxx Optimal Cycle: 35 Level Of Service: B Street Name: Main St Walnut Ave Approach: North Bound South Bound East Bound West Bound Movement: L - T - R L - T - R L - T - R L - T - R Control: Protected Protected Prot+Permit Prot+Permit Rights: Include Include Ovl Include Min. Green: Y+R: Lanes: Volume Module: Base Vol: Growth Adj: Initial Bse: Added Vol: PasserByVol: Initial Fut: User Adj: PHF Adj: PHF Volume: Reduct Vol: Reduced Vol: PCE Adj: MLF Adj: FinalVolume: OvlAdjVol: 74 Saturation Flow Module: Sat/Lane: Adjustment: Lanes: Final Sat.: Capacity Analysis Module: Vol/Sat: OvlAdjV/S: 0.04 Crit Moves: **** **** **** **** Traffix (c) 2008 Dowling Assoc. Licensed to LSA ASSOC. IRVINE, CA 01 Existing No Project PM Tue May 30, :27:05 Page 3-1 Killefer Residential (WSH1601) Existing Conditions PM Peak Hour Level Of Service Computation Report ICU 1(Loss as Cycle Length %) Method (Future Volume Alternative) Intersection #2 Batavia St & Walnut Ave, Orange Cycle (sec): 100 Critical Vol./Cap.(X): Loss Time (sec): 5 Average Delay (sec/veh): xxxxxx Optimal Cycle: 22 Level Of Service: A Street Name: Batavia St Walnut Ave Approach: North Bound South Bound East Bound West Bound Movement: L - T - R L - T - R L - T - R L - T - R Control: Permitted Permitted Permitted Permitted Rights: Include Include Include Include Min. Green: Y+R: Lanes: Volume Module: Base Vol: Growth Adj: Initial Bse: Added Vol: PasserByVol: Initial Fut: User Adj: PHF Adj: PHF Volume: Reduct Vol: Reduced Vol: PCE Adj: MLF Adj: FinalVolume: Saturation Flow Module: Sat/Lane: Adjustment: Lanes: Final Sat.: Capacity Analysis Module: Vol/Sat: Crit Moves: **** **** **** **** Traffix (c) 2008 Dowling Assoc. Licensed to LSA ASSOC. IRVINE, CA