9 ERSKINE LANE DEVELOPMENT Traffic Impact Assessment (Attachment 8)

TABLE OF CONTENTS

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 Count ........................................................................................................................ 2 2.4 Traffic Model ........................................................................................................................ 3 2.5 Existing Traffic Conditions (View Royal) .............................................................................. 4 2.6 Existing Traffic Conditions (MoTI) ....................................................................................... 5 3.0 BACKGROUND TRAFFIC CONDITIONS ................................................................................... 6 3.1 7 Erskine Lane Traffic ......................................................................................................... 7 3.2 2022 Background Traffic Conditions ................................................................................... 8 3.3 2032 Background Conditions ............................................................................................. 11 4.0 POST DEVELOPMENT CONDITIONS ...................................................................................... 14 4.1 Proposed Land Use ............................................................................................................ 14 4.2 Site Access ......................................................................................................................... 14 4.3 Trip Assignment ................................................................................................................. 15 4.4 2022 Opening Day Traffic Conditions ................................................................................ 17 4.5 2032 Post Development Conditions .................................................................................. 20 4.6 Left Turn Lane Review ....................................................................................................... 23 4.7 Erskine Lane / Watkiss Road ............................................................................................. 23 5.0 TRAFFIC CALMING .................................................................................................................. 25 6.0 ACCESS REVIEW ..................................................................................................................... 25 6.1 Access Spacing ................................................................................................................. 25 6.2 Sight Distances .................................................................................................................. 26 7.0 ACTIVE TRANSPORTATION .................................................................................................... 26 7.1 Pedestrians and Cyclists ................................................................................................... 26 7.2 Transit ................................................................................................................................ 27 8.0 TRANSPORTATION DEMAND MANAGEMENT ....................................................................... 27 8.1 Electric Bicycles ................................................................................................................. 28 8.2 Secure Bicycle Parking ...................................................................................................... 28 8.3 Carpooling .......................................................................................................................... 28 8.4 Carshare ............................................................................................................................. 28 8.5 TDM Impact on Traffic ....................................................................................................... 29 9.0 CONCLUSIONS ......................................................................................................................... 29 10.0 RECOMMENDATIONS .............................................................................................................. 30

APPENDICES

Appendix A: Synchro Background

LIST OF FIGURES

Figure 1: Study Intersections and Site Location ...................................................................................... 1 Figure 2: 2019/2020 Existing Traffic Volumes ........................................................................................ 4 Figure 3: 2020 Helmcken Road/Watkiss Way Traffic .............................................................................. 5 Figure 4: AM Trip Assignment for 7 Erskine Lane (Site Outlined in Red) ................................................ 8 Figure 5: PM Trip Assignment for 7 Erskine Lane (Site Outlined in Red) ................................................ 8 Figure 5: 2022 Background Traffic Volumes .......................................................................................... 9 Figure 7: 2022 Background Helmcken Road/Watkiss Way Traffic ....................................................... 10 Figure 8: 2032 Background Traffic Volumes ........................................................................................ 12 Figure 9: 2032 Background Helmcken Road/Watkiss Way Traffic ....................................................... 13 Figure 10: Proposed Site Plan ............................................................................................................... 15 Figure 11: Trip Assignment - AM Peak Hour ........................................................................................ 16 Figure 12: Trip Assignment - PM Peak Hour ........................................................................................ 17 Figure 13: 2022 Post Development Volumes ....................................................................................... 18 Figure 14: 2022 Post Development Helmcken Road/Watkiss Way Traffic ........................................... 19 Figure 15: 2032 Post Development Volumes ....................................................................................... 21 Figure 16: 2032 Post Development Helmcken Road/Watkiss Way Traffic ........................................... 22 Figure 17: Left-turn Lane Warrant .......................................................................................................... 23

LIST OF TABLES

Table 1: 2019/2020 AM and PM Peak Hour Traffic Conditions .............................................................. 4 Table 2: 2020 AM and PM Peak Hour Traffic Conditions at Watkiss/Helmcken .................................... 6 Table 3: 2022 Background Traffic Conditions ........................................................................................ 9 Table 4: 2022 AM and PM Peak Hour Background Traffic Conditions at Watkiss/Helmcken ...... 11 Table 5: 2032 Background Traffic Conditions ...................................................................................... 12 Table 6: 2032 AM and PM Peak Hour Background Traffic Conditions at Watkiss/Helmcken ...... 13 Table 7: Peak Hour Trip Generation Rates ........................................................................................... 14 Table 8: Peak Hour Development Trips ................................................................................................ 14 Table 9: 2022 Post Development Traffic Conditions ............................................................................ 18 Table 10: 2022 Post Development Traffic Conditions at Watkiss/Helmcken ....................................... 19 Table 11: 2032 Post Development Traffic Conditions .......................................................................... 21 Table 12: 2032 Post Development Traffic Conditions at Watkiss/Helmcken ....................................... 22 Table 13: AM Peak Hour 2032 Post Development Option Comparison ............................................... 24 Table 14: PM Peak Hour 2032 Post Development Option Comparison ............................................... 24 Table 15: Sight Distances at Access 1 based on 30km/h ..................................................................... 26

1.0 INTRODUCTION

Watt Consulting Group was retained by WestUrban Developments to conduct a traffic impact assessment (TIA) for a proposed residential development located at 9 Erskine Lane in the Town of View Royal, BC. This report reviews existing and post development traffic conditions for both the short- and long-term horizon. The report also reviews the site accesses and the active transportation network.

1.1 STUDY AREA

The following key intersections will be studied along with the proposed development accesses located on Erskine Lane:

• Watkiss Way / Erskine Lane / Stoneridge Drive (unsignalized, two-way stop controlled);
• Burnside Road W / Watkiss Way (signalized);
• Watkiss Way / Hospital Access / Mall Access (unsignalized, roundabout); and
• Watkiss Way / Chancellor / Helmcken Road (signalized).

Figure 1 shows the study intersections and site location.

**Figure 1: Study Intersections and Site Location**

2.0 EXISTING CONDITIONS

2.1 LAND USE

The proposed site is currently zoned as A1 (Rural) and there is an existing single-family home on the site. The surrounding land use is a mix of multi-family and single family residential along Erskine Lane and Stoneridge Drive, with the Victoria General Hospital to the east. A proposed multi-family development is planned for the adjacent property at 7 Erskine Lane.

Other projects, proposed, in the area include the Eagle Nest development at the corner of Burnside Road / Helmcken Road and the BC Transit HandyDart facility at the corner of Burnside Road / Watkiss Way (2401 Burnside Road).

2.2 ROAD NETWORK

Watkiss Way is a two-lane major road with a posted speed limit of 50km/h. Burnside Road W is a two-lane collector road with a posted speed limit of 50km/h. Erskine Lane and Stoneridge Drive are two-lane local roads with a posted speed limit of 30km/h.

As Erskine Lane dead ends south of the proposed site, all site traffic will use the intersection of Watkiss Way / Erskine Lane. The four-legged intersection of Watkiss Way / Erskine Lane is stop-controlled on Erskine Lane.

Helmcken Road is a major road with a combination of raised center median, dedicated left turn lanes and a two way left turn lane that provides access to residential properties between Burnside Road and Watkiss Way / Chancellor Avenue. The intersection of Helmcken Rd / Watkiss Way / Chancellor Ave is a four legged signalized intersection. Dedicated left turn lanes are provided on all approaches to the intersection and the Helmcken Road westbound approach includes a channelized right turn island. The left turn movements on Helmcken Road provide fully protected left turn signal phasing. The eastbound left turn movement (Watkiss Way onto Helmcken Road) provides protected/permitted left turn signal phasing.

2.3 TRAFFIC COUNT

Traffic count data was taken from a previous study. Turning movement counts were conducted for the Watkiss Way intersections during the AM and PM peak hours (8:00AM – 9:00AM and 4:00PM to 5:00PM, respectively) on the following dates:

• Watkiss Way / Burnside Road: November 14, 2018
• Watkiss Way / Erskine Lane: November 16, 2017
• Watkiss Way / Victoria General Access: November 13, 2018

The existing counts were adjusted to 2019 traffic volumes using a 2% annual growth rate. This growth rate was also used to determine future background traffic volumes. All traffic volumes were balanced.

For Helmcken Road / Watkiss Way / Chancellor Avenue the traffic count data was collected on January 20, 2020 during the AM and PM peak hours (8:00AM – 9:00AM and 4:00PM to 5:00PM). By January 2020 traffic on Highway 1 was able to free-flow at McKenzie Avenue / Admirals Road; however, the key elements of the interchange such as the dual right turn (free flow) from McKenzie to Highway 1 and the southbound cloverleaf were not completed. However, just having the Highway free flow reduced the traffic volumes on Helmcken Road between Watkiss Way / Chancellor Avenue by approximately 13% in the AM and 9% in the PM.

The completion of the McKenzie Interchange is expected to occur in the Fall of 2020. The completion of the interchange is expected to further reduce the traffic volumes on the Helmcken Road, Burnside Road, and Watkiss Way corridors as the increased capacity and free-flow at the interchange will draw traffic away from the circuitous routing they utilize now to avoid the delays at Highway 1/McKenzie/Admirals. Therefore the traffic volumes utilized for this study are worst case and not expected to as high as projected.

2.4 TRAFFIC MODEL

Weekday AM and PM peak hour traffic conditions will be modeled using Synchro 10 and SIDRA8 for the opening year full build-out and 10-year post opening year with and without the development traffic to identify short- and long-term impacts of the development. SIDRA will be used only to analyze traffic conditions at the roundabout (Watkiss Way / Hospital Access / Mall Access). Queue lengths were determined by SimTraffic.

Synchro software (Synchro 9/10) provides analysis using the Highway Capacity Manual (2010) methodology, while SimTraffic integrates established driver behaviors and characteristics to simulate actual conditions by randomly "seeding" or positioning vehicles travelling throughout the network. The software generates measures of effectiveness that include level of service (LOS), delay and 95th percentile queue length. Intersections are analyzed to determine the level of service, delays and 95th percentile queue lengths. The levels of service are broken down into six letter grades with LOS A being excellent operations and LOS F indicating failing operations. Level of service C is generally considered to be an acceptable LOS by most municipalities. Level of service D is generally considered to be on the threshold between acceptable and unacceptable operations. A description of level of service and Synchro software is provided in Appendix A.

The horizon years will be evaluated for impacts to traffic operations with and without the development. The results will be used to determine if mitigation measures are needed as a result of background traffic growth or as a result of the development. Simulation settings for Synchro analysis will include:

• Vehicle length of 7.5m;
• Heavy vehicle length of 22.7m;
• Peak hour factors will use count data from study; and
• Heavy vehicle percentage will be based on count data.

2.5 EXISTING TRAFFIC CONDITIONS (VIEW ROYAL)

The existing 2019 / 2020 AM and PM peak hour conditions are summarized in Table 1, and traffic volumes are shown in Figure 2. All intersections operate at LOS C or better in the AM and PM peak hours, and there are no existing queuing issues.

**Figure 2: 2019/2020 Existing Traffic Volumes**

TABLE 1: 2019/2020 AM AND PM PEAK HOUR TRAFFIC CONDITIONS

| Intersection | Movement | AM Peak Hour | PM Peak Hour | | :--- | :--- | :---: | :---: | :---: | :---: | :---: | :---: | | | | LOS | Delay (s) | 95th Queue (m) | LOS | Delay (s) | 95th Queue (m) | | Burnside Rd W / Watkiss Way (Signalized) | EBLTR | C | 23 | 30 | B | 12 | 25 | | | WBLTR | C | 29 | 35 | C | 28 | 35 | | | NBLT | B | 8 | 60 | A | 7 | 55 | | EB/WB=Watkiss Way NB/SB=Burnside Rd | NBR | A | 0 | 30 | A | 0 | 20 | | | SBLTR | A | 7 | 30 | A | 9 | 55 | | Watkiss Way / Erskine Ln | EBL | A | 8 | 5 | A | 8 | 5 | | | EBTR | A | 0 | 5 | A | 0 | 5 | | | WBL | A | 8 | 5 | A | 8 | 10 | | EB/WB=Watkiss Way NB/SB=Stoneridge Dr-Erskine Ln | WBTR | A | 0 | 5 | A | 0 | 10 | | | NBLTR | B | 13 | 15 | B | 12 | 10 |