The Regional Municipality of Peel Class Environmental Assessment for Steeles Avenue from Chinguacousy / Mavis Road to Winston Churchill Boulevard City of Brampton ENVIRONMENTAL STUDY REPORT Volume 4 of 4 Submitted to: Regional Municipality of Peel 10 Peel Centre Drive, Suite B, 4th Floor Brampton, ON L6T 4B9 Submitted by: AMEC Environment & Infrastructure 3215 North Service Road Burlington, ON L7N 3G2 Tel: 905-335-2353 Fax: 905-335-1414 February, 2014 Regional Municipality of Peel Environmental Study Report Steeles Avenue from Chinguacousy/Mavis Road to Winston Churchill Boulevard, in the City of Brampton February, 2014 TABLE OF CONTENTS 1.0 INTRODUCTION AND BACKGROUND .......................................................................... 1 1.1 Introduction ........................................................................................................... 1 1.2 Environmental Study Report ................................................................................. 1 1.3 Purpose of the Project .......................................................................................... 2 1.4 Project Background .............................................................................................. 2 1.5 Adjacent Road Projects ........................................................................................ 3 2.0 CLASS ENVIRONMENTAL ASSESSMENT APPROACH............................................... 5 2.1 Class Environmental Assessment Process ........................................................... 5 2.2 Infrastructure Ontario Class Environmental Assessment Process ......................... 6 2.3 Schedule .............................................................................................................. 8 2.4 Project Organization ............................................................................................. 8 2.5 Stakeholder and Agency Consultation .................................................................. 9 2.5.1 Phase 1 Consultation ................................................................................ 9 2.5.2 Phase 2 and 3 Consultation .................................................................... 10 2.5.3 Filing of the ESR ..................................................................................... 10 3.0 EXISTING AND FUTURE CONDITIONS ...................................................................... 11 3.1 Study Area .......................................................................................................... 11 3.2 Land Use and Development Plans ...................................................................... 11 3.2.1 Existing Land Use ................................................................................... 11 3.2.2 Existing Land Use Designation................................................................ 11 3.3 Transportation .................................................................................................... 13 3.3.1 Existing Roadway Network ...................................................................... 13 3.3.2 Halton-Peel Boundary Area Transportation Study ................................... 14 3.3.3 Existing Traffic Conditions ....................................................................... 18 3.3.4 Traffic Operations.................................................................................... 18 3.3.5 Future Traffic Conditions ......................................................................... 19 3.3.6 Transit and Active Transportation ............................................................ 20 3.3.7 Traffic Safety ........................................................................................... 23 3.3.8 Geotechnical Investigation ...................................................................... 23 3.3.9 Existing Pavement Conditions ................................................................. 23 3.3.10 Structures ............................................................................................... 23 3.4 Natural Environment ........................................................................................... 25 3.4.1 Terrestrial Resources .............................................................................. 25 3.4.2 Fisheries ................................................................................................. 29 3.4.3 Stormwater.............................................................................................. 33 3.4.4 Existing Stormwater Management Facilities ............................................ 33 3.4.5 Fluvial Geomorphological Assessment .................................................... 35 3.4.6 Air Quality Assessment ........................................................................... 36 3.5 Socio-Economic Environment ............................................................................. 36 3.5.1 Utilities .................................................................................................... 36 3.5.2 Archaeology ............................................................................................ 37 3.5.3 Built Heritage and Cultural Landscape .................................................... 39 4.0 DEVELOPMENT AND EVALUATION OF ALTERNATIVE PLANNING SOLUTIONS .... 41 4.1 Problem/Opportunity Definition ........................................................................... 41 4.2 Identification of Planning Alternatives ................................................................. 42 4.3 Preliminary Assessment of Planning Alternatives ............................................... 42 4.4 Evaluation of Alternatives ................................................................................... 43 4.5 Public Consultation ............................................................................................. 45 Project Number: TP111130 Page i Regional Municipality of Peel Environmental Study Report Steeles Avenue from Chinguacousy/Mavis Road to Winston Churchill Boulevard, in the City of Brampton February, 2014 4.5.1 Meetings ................................................................................................. 45 4.5.2 Public Information Centre No. 1 .............................................................. 45 4.6 Preferred Planning Solution ................................................................................ 45 5.0 Alternative Design concept and Assessment ................................................................ 46 5.1 Cross Section Alternatives .................................................................................. 46 5.2 Horizontal Alignment Alternatives ....................................................................... 47 5.4 Design Alternatives for Levi’s Creek ................................................................... 49 5.5 Design Alternatives for Mullet Creek ................................................................... 49 5.6 BramWest Parkway at Steeles Avenue ............................................................... 55 5.7 Stormwater Management Opportunities .............................................................. 58 5.7.1 General Stormwater Management Opportunities..................................... 58 5.7.2 Alternative Stormwater Management Practices ....................................... 58 5.7.3 General Assessment ............................................................................... 59 5.8 Potential Posted Speed Reduction ..................................................................... 61 5.9 Public Consultation ............................................................................................. 62 5.9.1 Agency and Stakeholder Consultation ..................................................... 62 5.9.2 Infrastructure Ontario – Agency Consultation .......................................... 62 5.9.3 Public Information Centre No. 2 .............................................................. 62 6.0 DESCRIPTION OF PREFERRED DESIGN .................................................................. 64 6.1 Major Features of the Recommended Plan ......................................................... 64 6.1.1 Design Criteria ........................................................................................ 64 6.1.2 Horizontal Alignment ............................................................................... 67 6.1.3 Vertical Alignment ................................................................................... 67 6.1.4 Typical Cross Section ............................................................................. 67 6.1.5 Intersections and Side Roads ................................................................. 74 6.1.1 Transit ..................................................................................................... 76 6.1.2 Vehicle Turning Movements .................................................................... 77 6.1.3 Private Entrances .................................................................................... 77 6.1.4 Property Requirements ........................................................................... 77 6.1.5 Infrastructure Ontario Owned Property .................................................... 79 6.1.6 Pedestrian Facilities ................................................................................ 79 6.1.7 Accessibility for Ontarians with Disabilities Act Measures ....................... 85 6.1.8 Pavement Design