Committee of the Whole/Documents/Attachment 4: Traffic Impact Assessment

Appendix

Attachment 4: Traffic Impact Assessment

September 12, 2023Pages 185–1885 sections

A traffic impact assessment report analyzing the transportation implications of the proposed multi-family residential development on Island Highway.

1 CALL TO ORDER- Mayor Tobias called the meeting to order at 3:30 p.m.

Watt Consulting GroupJuly 10, 2023Kristen Machina, P.Eng.

339 / 341 / 345 ISLAND HIGHWAY

Traffic Impact Assessment

Author MJ Oh – Transportation Technologist

Reviewer Kristen Machina, P.Eng. – Senior Transportation Engineer

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Professional Seal K. A. MACHINA

54513

BRITISH COLUMBIA ENGINEER 2023-07-10

Prepared For: Boardwalk REIT Date: 10 July 2023 Our File No: 3425.B01

WATT VICTORIA #302, 740 Hillside Avenue Victoria, BC V8T 1Z4 (250) 388-9877 WATTCONSULTINGGROUP.COM

Page 185–188

1.0 INTRODUCTION ................................................................................................... 1

1.1 Study Area ..................................................................................................................... 1

2.0 EXISTING CONDITIONS ..................................................................................... 2

2.1 Land Use ......................................................................................................................... 2 2.2 Road Network ............................................................................................................... 2 2.3 Traffic Volumes ............................................................................................................. 3 2.4 Traffic Modelling – Background Information ....................................................... 4 2.5 2022 Existing Traffic Conditions ............................................................................. 5

3.0 POST DEVELOPMENT ........................................................................................ 6

3.1 Proposed Land Use ..................................................................................................... 6 3.2 Site Access ..................................................................................................................... 6 3.3 Trip Generation ............................................................................................................. 7 3.4 Trip Assignment ........................................................................................................... 8 3.5 2025 Opening Day Background Conditions ....................................................... 9 3.6 Opening Day Post Development Conditions ................................................... 11

4.0 2035 10-YEAR HORIZON TRAFFIC CONDITIONS .................................... 13

4.1 2035 Background Conditions ............................................................................... 14 4.2 2035 Post Development Analysis Results ........................................................ 15

5.0 OPERATIONAL CONSIDERATIONS .............................................................. 17

5.1 Improvements for Island Highway / Prince Robert Drive ............................. 17 5.2 Left Turn Lane ............................................................................................................ 18 5.3 Signal Warrant Review for 4-Leg Island Hwy / Prince Robert Drive ....... 19 5.3.1 Signal Warrant Analysis .......................................................................... 20 5.3.2 Traffic Signal Warrant Result ................................................................. 21 5.4 Feasibility Review of On-street Parking ............................................................ 22

6.0 ACTIVE TRANSPORTATION ........................................................................... 23

6.1 Pedestrians and Cycling Facilities ....................................................................... 23 6.2 Transit ........................................................................................................................... 24

7.0 PARKING FACILITY REVIEW .......................................................................... 24

8.0 TRANSPORTATION DEMAND MANAGEMENT .......................................... 24

9.0 CONCLUSION ..................................................................................................... 25

10.0 RECOMMENDED IMPROVEMENTS ............................................................... 26

Page 185–188

APPENDICES

Appendix A: Synchro Information
Appendix B: Preliminary Left Turn Lane Design
Appendix C: Traffic Signal Warrant Results
Appendix D: Synchro Results

Page 185–188

LIST OF FIGURES

Figure 1: Study Area and Site Location ............................................................................................. 1
Figure 2: 2022 Existing Volumes ........................................................................................................ 4
Figure 3: Site Plan and Access ............................................................................................................. 7
Figure 4: Trip Assignment ..................................................................................................................... 9
Figure 5: 2025 Opening Day Background Volumes ................................................................... 11
Figure 6: Opening Day Post Development Volumes .................................................................. 13
Figure 7: 2035 Ten-year Horizon Background Volumes .......................................................... 13
Figure 8: 2035 Post Development Volumes ................................................................................. 16
Figure 9: Left Turn Lane Warrant Review ..................................................................................... 18

Page 185–188

LIST OF TABLES

Table Number	Table Title	Page
Table 1	2022 Existing Conditions	6
Table 2	Peak Hour Trip Generation Rates	8
Table 3	Estimated Development Trips	8
Table 4	Distribution Percentages of Site Trips	8
Table 5	2025 Opening Day Background Conditions	10
Table 6	2025 Opening Day Post Development Conditions	12
Table 7	2035 Background Conditions	14
Table 8	2035 Post Development Conditions	16
Table 9	Delay Comparison between 3-Leg and 4-Leg Options	19
Table 10	Northbound Delays at Island Hwy / Prince Robert Dr	21
Table 11	On-site Parking Requirements	24

Page 185–188

Document Images

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Extracted from: 2023 09 12 Committee of the Whole Agenda - Agenda - Pdf

Attachment 4: Traffic Impact Assessment

339 / 341 / 345 ISLAND HIGHWAY

Traffic Impact Assessment

54513

TABLE OF CONTENTS

1.0 INTRODUCTION ................................................................................................... 1

2.0 EXISTING CONDITIONS ..................................................................................... 2

3.0 POST DEVELOPMENT ........................................................................................ 6

4.0 2035 10-YEAR HORIZON TRAFFIC CONDITIONS .................................... 13

5.0 OPERATIONAL CONSIDERATIONS .............................................................. 17

6.0 ACTIVE TRANSPORTATION ........................................................................... 23

7.0 PARKING FACILITY REVIEW .......................................................................... 24

8.0 TRANSPORTATION DEMAND MANAGEMENT .......................................... 24

9.0 CONCLUSION ..................................................................................................... 25

10.0 RECOMMENDED IMPROVEMENTS ............................................................... 26

APPENDICES

LIST OF FIGURES

LIST OF TABLES

Document Images