Mill Plain BRT LOCALLY PREFERRED ALTERNATIVE REPORT (FINAL)
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Mill Plain BRT LOCALLY PREFERRED ALTERNATIVE REPORT (FINAL) May 24 2019 Prepared for: C-TRAN 2425 NE 65th Avenue Vancouver, WA 98661 Prepared by: HDR Engineering, Inc. 1050 SW 6th Ave., Suite 1800 Portland, OR 97204-1151 www.hdrinc.com and Parametrix 700 NE Multnomah, Suite 1000 Portland, OR 97232-4110 T. 503.233.2400 T. 360.694.5020 F. 1.855.542.6353 www.parametrix.com Mill Plain BRT Locally Preferred Alternative Report (Final) C-TRAN Contents 1 Introduction ....................................................................................................................................... 1-1 1.1 Corridor Description ............................................................................................................... 1-1 1.1.1 Study Organization .................................................................................................... 1-4 2 Background ...................................................................................................................................... 2-1 2.1 Clark County High Capacity Transit System Study (2008) .................................................... 2-1 2.2 The Vine BRT on Fourth Plain ............................................................................................... 2-3 2.3 Existing and Future Conditions in the Mill Plain Corridor ....................................................... 2-3 2.3.1 Corridor Context ........................................................................................................ 2-3 2.3.2 Demographic Review ................................................................................................ 2-4 2.3.3 Transit Service Assessment ...................................................................................... 2-4 3 Purpose and Need ........................................................................................................................... 3-1 4 Alternatives Analysis and Evaluation ............................................................................................... 4-1 4.1 Alignment and Terminus Alternatives .................................................................................... 4-3 4.1.1 West Terminus .......................................................................................................... 4-3 4.1.2 East Terminus ........................................................................................................... 4-4 4.2 Evaluation Criteria .................................................................................................................. 4-5 4.3 Alignment and Termini Comparative Analysis ....................................................................... 4-6 4.3.1 Analysis Methods ...................................................................................................... 4-6 4.3.2 West Terminus Alignment Evaluation ....................................................................... 4-7 4.3.3 East Terminus Alignment Evaluation ........................................................................ 4-9 5 Preliminary Station Locations ........................................................................................................... 5-1 6 Community Engagement .................................................................................................................. 6-1 6.1 Open Houses ......................................................................................................................... 6-1 6.1.1 Open House 1 ........................................................................................................... 6-1 6.1.2 Open House 2 ........................................................................................................... 6-1 6.1.3 Online Open House ................................................................................................... 6-2 6.1.4 Open House 3 ........................................................................................................... 6-2 6.2 Stakeholder Interviews ........................................................................................................... 6-2 6.3 Community Briefings .............................................................................................................. 6-2 6.4 Advisory Committees ............................................................................................................. 6-3 6.5 Notifications and Availability of Information ............................................................................ 6-3 6.6 Community Engagement Next Steps ..................................................................................... 6-3 7 Locally Preferred Alternative ............................................................................................................ 7-1 8 Next Steps ........................................................................................................................................ 8-1 Tables Table 4-1. Evaluation Criteria and Measures ............................................................................................. 4-5 Table 4-2. West Terminus Options Evaluation Summary and Ranking .................................................... 4-8 Table 4-3. East Terminus Options Evaluation Summary and Ranking ................................................... 4-10 May 24, 2019 | i Mill Plain BRT Locally Preferred Alternative Report (Final) C-TRAN Figures Figure 1-1. Mill Plain BRT Corridor ............................................................................................................ 1-3 Figure 2-1. Clark County High Capacity Transit System Plan ................................................................... 2-2 Figure 2-2. Mill Plain Corridor .................................................................................................................... 2-4 Figure 2-3. C-TRAN Route 37 Mill Plain/Fisher’s Landing ........................................................................ 2-5 Figure 4-1. Mill Plain BRT Alignment with Termini Options ....................................................................... 4-2 Figure 4-2. West Terminus and Alignment Options ................................................................................... 4-3 Figure 4-3. East Terminus and Alignment Options .................................................................................... 4-4 Figure 4-4. Recommended West Terminus Alignment LPA ...................................................................... 4-9 Figure 4-5. Recommended East Terminus Alignment LPA ..................................................................... 4-11 Figure 4-6. Potential C-TRAN Bus Route Restructuring with Mill Plain Transit Center ........................... 4-11 Figure 5-1. Preliminary LPA Alignment Station Locations ......................................................................... 5-2 Figure 7-1. Mill Plain BRT Locally Preferred Alternative ............................................................................ 7-2 Appendices Appendix A. Mill Plain BRT Existing Conditions Report ................................................................................. Appendix B. Termini Evaluation Details .......................................................................................................... ii | May 24, 2019 Mill Plain BRT Locally Preferred Alternative Report (Final) C-TRAN Acronyms and Abbreviations BRT bus rapid transit CAC Corridor Advisory Committee COV City of Vancouver DEIS Draft Environmental Impact Statement GIS Geographic Information System HCT high capacity transit I-205 Interstate 205 I-5 Interstate 5 LPA locally preferred alternative RTC Regional Transportation Council STOPS Simplified Trips on Project Software TAC Technical Advisory Committee WSDOT Washington State Department of Transportation May 24, 2019 | iii Mill Plain BRT Locally Preferred Alternative Report (Final) C-TRAN 1 Introduction This Locally Preferred Alternative Report describes the analysis and decision-making process associated with developing a bus rapid transit (BRT) route on Mill Plain Boulevard in Vancouver, Washington. BRT on Mill Plain Boulevard would be the second BRT route developed by C-TRAN, the transit agency serving the City of Vancouver (COV) and Clark County. C-TRAN’s first BRT route, The Vine, opened in January 2017 serving the Fourth Plain Boulevard corridor. The Mill Plain Boulevard Corridor was identified as a promising BRT corridor in the Clark County High Capacity Transit System Study (Southwest Washington Regional Transportation Council [RTC], 2008). Based on the success of the original Vine service on Fourth Plain Boulevard, the C-TRAN Board, in 2017, directed staff to prepare a study of what a Vine-style service would look like on Mill Plain Boulevard. This report describes the results of that study and presents the details of the locally preferred alternative (LPA). Specific questions related to the development of a Mill Plain BRT that are addressed in this report are listed below: Why has BRT been selected as the preferred high capacity transit (HCT) mode for the Mill Plain corridor? Why was Mill Plain determined to be the next Clark County BRT corridor? Where should the east and west termini be located? What is the best alignment for the service? What are the best potential locations for BRT stations in the corridor? 1.1 Corridor Description Mill Plain Boulevard is a COV major arterial operating from its intersection with Fourth Plain Boulevard