GHD 140 Allstate Parkway Suite 210 Markham Ontario L3R 5Y8 Canada T 1 905 752 4300 F 1 905 752 4301 W www.ghd.com

September 24, 2019 Reference No. 11116840 Mississauga 1 Emblem Developments 22 Adelaide Street West Suite 2060 Toronto, ON M5H 4E3

Attention: Shamil Jiwani

RE: Traffic Impact Study Addendum 86-90 Dundas Street East Residential Condominium Mississauga Ontario

1. Introduction

GHD is pleased to present the enclosed Traffic Impact Study Addendum to examine the traffic related impacts from a recent proposed residential condominium development (with ground floor commercial area) located at 86-90 Dundas Street East in the City of Mississauga (see Figure 1).

The current site plan dated September 19, 2019 (see Figure 2 or attachment) prepared by Studio JCI proposes a total of 334 condominium units in 16 storeys, along with 324 sq.m. (3,488 sq.ft.) of ground floor commercial area.

The original development scheme of January 29th, 2018 prepared by A J Tregebov Architects proposed a total of 289 condominium units in 29 storeys, along with 158 sq.m. (1,701 sq.ft.) of ground floor commercial area. GHD prepared a Traffic Impact Study in October 31, 2018 based on the January 2018 site plan.

The proposed future subject site land uses proposed by the original (January 2018) and recent (September 2019) site plans are summarized in Table 1.

Table 1 Original and recent proposed site land uses

Commercial GFA Residential Units

Original (January 2018) 158 m2 (1,701 ft2) 289

Recent (September 2019) 324 m2 (3,488 ft2) 334

Differences (Recent Site Plan – January 2018 Site Plan) +166 m2 (1,787 ft2) +45

GHD | Traffic Impact Study Addendum | 80-90 Dundas Street east | Proposed Residential Development | 11116840 | 2

The assessment in this memo includes:

A review of the estimated future site trips based on the original and recent proposed land uses. A review of the parking requirements for the recent proposed land uses.

Our findings and conclusions are contained herein.

Figure 1 Site location

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GHD 140 Allstate Parkway Suite 210 Markham Ontario L3R 5Y8 Canada T 1 905 752 4300 F 1 905 752 4301 W www.ghd.com

2. Site trip generation The original proposed site traffic volumes was extracted from the Site Trip Generation Table in Section 5.1 of the October 2018 Traffic Impact Study (TIS).

The recent proposed site traffic was estimated from the trip rates contained in Trip Generation, 10th Edition, produced by the Institute of Transportation Engineers (ITE). Site trips for the residential condominium units were estimated based on the trip rates of Multifamily Housing (High-Rise) (LUC #222), and site trips for the commercial uses were estimated based on the trip rates of Shopping Centre (LUC # 820).

The 2016 Transportation Tomorrow Survey (TTS) data shows the existing non-auto modal splits are approximately 30% and 32% respectively for a.m. and p.m. peak hour. As a conservative analysis, the subject site is assumed to achieve the same transit model split applied to the future planning horizons. In addition, it is expected that patrons of the commercial use will primarily be residents of the proposed development. Therefore, an internal capture rate from the Trip Generation Handbook, 3rd Edition, produced by the Institute of Transpiration Engineers were applied to the estimated trip generation for the commercial use. Resulting in a gross trip reduction of 14% for a.m. peak hour and 10% for p.m. peak hour.

Table 2 summarizes the trip generation of the original and recent proposed site land uses.

Table 2: Original and recent proposed site trip generation

Land use Units / GFA Parameter

AM Peak Hour PM Peak Hour

In Out Total In Out Total

Original (October 2018

TIS)

Residential 289 units Trips 15 71 86 68 34 102

Commercial 158 m2 (1701 ft2) Trips 3 3 6 6 7 13

Total Site Trips 18 74 92 74 41 115

Recent (September

2019)

Residential (LUC 222) 334 Units

Trip Ratio 24% 76% 100% 61% 39% 100% Gross Trips 25 81 106 74 48 122

Non-auto Trips -8 -24 -32 -24 -15 -39 Vehicle Trips 17 57 74 50 33 83

Commercial (LUC 820)

363 m2 (3902 ft2)

Trip Ratio 62% 38% 100% 48% 52% 100% Gross Trips 2 2 4 24 25 49

Int. Cap. Trips 0 0 0 -10 -11 -21 Vehicle Trips 2 1 2 20 21 41

Total Site Trips 19 58 76 70 54 124 Trip Difference

(Recent Proposed Trips – Original proposed Trips) +1 -16 -15 -4 13 9

As indicated in Table 2, the recent (September 19, 2019) site plan is expected to generate 76 and 124 two-way trips at the weekday AM and PM peak hours, respectively, which is -15 and +9 trips than the trips

GHD | Traffic Impact Study Addendum | 80-90 Dundas Street east | Proposed Residential Development | 11116840 | 5

estimated in the Original (October 2018) TIS during the weekday AM and PM peak hours, respectively. Therefore, there will be no significant change from the findings and conclusions of our original TIS.

The October 2018 TIS concluded that, the existing Dundas Street road network in the vicinity of the site can be expected to have satisfactory operational characteristics and provide adequate capacity for the projected site traffic volumes. There are no recommended improvements at the study intersections or site driveway to accommodate the proposed development.

3. Parking requirement

The recent site plan (dated September 19, 2019) proposes 334 dwelling units and 324 m2 of ground floor commercial area. The development’s residential unit breakdown is as follows:

268 one bedroom units; and 66 two-bedroom units.

City staff have noted they are willing to accept parking rates as approved for the development at the southwest corner of Hurontario Street and Elm Street. The required parking provision was calculated using the proposed unit breakdown as summarized in Table 3 below.

Table 3 Parking Provision Table

Use Units Existing Bylaw

Required Parking Rate

City Proposed Parking Rate

Required Parking Supply

Resident Parking One bedroom – 268 units 1.25 0.9 242

Two bedroom – 66 units 1.40 1.0 66

Visitor Parking Total residential units – 334

units 0.20 0.15 50

Total 358

The proposed parking provision for the site is 349 parking spaces, including 32 car stackers located in the underground garage plus 3 car share spaces located on the surface level.

Therefore, the proposed parking supply with the introduction of car share is considered appropriate given the proximity to transit corridors with increased transit service level, consequently reducing the expected parking demand.

GHD | Traffic Impact Study Addendum | 80-90 Dundas Street east | Proposed Residential Development | 11116840 | 6

4. Conclusions / recommendation

Based on the review of the original and recent proposed site land uses and trip generations, the site plan (September 19, 2019) is expected to generate 76 and 124 two-way trips at the weekday AM and PM peak hours, respectively. Fortunately, this is 15 less trips during morning peak hour, hence there will be no recommendation for the proposed site plan. However, the latest site plan generates extra 9 trips than the trips estimated in the Original (October 2018) TIS during the weekday PM peak hours. This is not a significant amount of traffic compared to the two-way volumes on Dundas Street and therefore, with the recent site plan, there will be no material change to the findings and conclusions of our original (October 2018) TIS.

The October 2018 TIS concluded that the existing Dundas Street road network in the vicinity of the site can be expected to have satisfactory operational characteristics and provide adequate capacity for the projected site traffic volumes. Therefore, there are no recommended improvements at the study intersections or site driveway to accommodate the proposed development.

We trust the enclosed is sufficient for your needs, but please do not hesitate to contact the undersigned should you require any additional assistance.

Respectfully Submitted,

GHD

Sept 24, 2019

Will Maria, P. Eng. Dhaval Harpal, Dipl. T. Senior Project Manager Transportation Planner

Dhaval Harpal, Dipl. T.

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