Appendix K Transportation Technical Report Schedule “C” Class Environmental Assessment Study for Red Cedar / Cedar Avenue September 2020 Class Environmental Assessment for Red Cedar / Cedar Avenue from Langstaff Road East to High Tech Road Transportation System Technical Report (Revision 2) Regional Municipality of York August 12, 2019 Class Environmental Assessment for Red Cedar / Cedar Avenue from Langstaff Road East to High Tech Road Transportation System Technical Report (Revision 2) Contents 1 Introduction .......................................................................................................................................... 5 1.1 Study Area ................................................................................................................................. 5 2 Planning Context ................................................................................................................................. 7 2.1 Provincial Planning Context ...................................................................................................... 7 2.2 Regional Planning Context ........................................................................................................ 9 2.2.1 York Region Transportation Master Plan (2016) ....................................................... 10 2.2.2 Richmond Hill/Langstaff Centre Transportation Study ............................................... 13 2.2.3 York Region Committee of the Whole Report No. 16, November 16, 2017: Richmond Hill/Langstaff Gateway Regional Centre – Growth Capacity and Timing ......................................................................................................................... 14 2.2.4 York Region Transportation Mobility Plan Guidelines for Development Applications (2016) ..................................................................................................... 15 2.3 Municipal and Other Relevant Planning Context .................................................................... 17 2.3.1 City of Richmond Hill .................................................................................................. 18 2.3.2 City of Markham ......................................................................................................... 29 2.3.3 Yonge Subway Extension .......................................................................................... 39 3 Existing Conditions ............................................................................................................................ 40 3.1 Current Land Use Context....................................................................................................... 40 3.2 Current Transportation System ............................................................................................... 40 3.2.1 Existing Road network................................................................................................ 40 3.2.2 Existing Transit Network............................................................................................. 41 3.2.3 Existing Pedestrian and Cyclist Network.................................................................... 45 3.3 Traffic Analysis ........................................................................................................................ 47 3.3.1 Methodology ............................................................................................................... 47 3.3.2 Existing Conditions Traffic Analysis ........................................................................... 50 3.3.3 Existing Traffic Operations ......................................................................................... 53 3.4 Active Transportation Analysis ................................................................................................ 57 3.4.1 Bicycle Level of Service ............................................................................................. 57 3.4.2 Pedestrian Level of Service ....................................................................................... 61 4 2041 Future Conditions ..................................................................................................................... 65 4.1 Future Land Use Context ........................................................................................................ 65 4.2 Future Transportation System Context / Plans ....................................................................... 66 4.3 Transportation Modelling Methodology ................................................................................... 67 4.4 Future Scenario Macro Analysis ............................................................................................. 68 4.4.1 Screenline and Link Analysis ..................................................................................... 68 4.4.2 Network Congestion Analysis .................................................................................... 69 4.4.3 Preliminary Macro Scenario Recommendations ........................................................ 70 4.5 Future 2041 Traffic Operations ............................................................................................... 70 4.5.1 Future Intersection Traffic Volumes ........................................................................... 71 4.5.2 Do Nothing (No Red Cedar / Cedar Avenue Extension) ............................................ 74 4.5.3 4-Lane Red Cedar / Cedar Avenue Extension ........................................................... 78 4.6 Traffic Infiltration Impact Analysis ........................................................................................... 85 4.7 Future Active Transportation ................................................................................................... 86 4.8 Future Transit / HOV Considerations ...................................................................................... 86 4.9 Signal Warrant Analysis .......................................................................................................... 87 August 12, 2019 | i Class Environmental Assessment for Red Cedar / Cedar Avenue from Langstaff Road East to High Tech Road Transportation System Technical Report (Revision 2) 4.9.1 Traffic Signal Warrants ............................................................................................... 87 4.9.2 Active Transportation Considerations ........................................................................ 88 4.10 Traffic Control Sensitivity Analysis .......................................................................................... 88 5 Recommendations ............................................................................................................................ 92 Tables Table 2-1: Provincial Planning Context ......................................................................................................... 7 Table 2-2: Regional Planning Context .......................................................................................................... 9 Table 2-3: Markham Langstaff Gateway Secondary Plan Growth Projections ........................................... 38 Table 2-4: Langstaff Gateway Infrastructure Phasing ................................................................................ 39 Table 3-1: Description of L.O.S. .................................................................................................................. 49 Table 3-2: Existing Turning Movement Counts ........................................................................................... 50 Table 3-3: Critical Movements under Existing Conditions .......................................................................... 53 Table 4-1: 2041 Population and Employment Forecast Assumptions ........................................................ 65 Table 4-2: Screenline Capacity Analysis – 2041 AM Peak Hour Scenarios ............................................... 69 Table 4-3: Network* VKT and VHT by Scenario, 2041 AM Peak Hour ...................................................... 70 Table 4-4: Critical Movements under Future Do Nothing Conditions ......................................................... 74 Table 4-5: Critical Movements Comparison of Do Nothing and 4-Lane Red Cedar / Cedar Avenue Extension Conditions ..................................................................................................................... 81 Table 4-6: Signal Warrant Justification – Red Cedar Ave & High Tech Rd ................................................ 87 Table 4-7: Signal Warrant Justification –Cedar Ave & Langstaff Rd .......................................................... 88 Table 4-8: Sensitivity Analysis – 2041 AM Peak Hour Intersection Operations ......................................... 89 Exhibits Exhibit 1-1: Study Area and Project Site Area .............................................................................................. 6 Exhibit 2-1: Proposed 2041 Road network (Source: YR-TMP) ................................................................... 11 Exhibit 2-2: Proposed 2041 Cycling Network (Source: YR-TMP) ............................................................... 12 Exhibit 2-3: Proposed 2041 Transit Network (Source: YR-TMP) ................................................................ 13 Exhibit 2-4: Richmond Hill/Langstaff Gateway Regional Centre ................................................................