Appendix D Traffic Impact Analysis - westplainseis.com

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MITIGATION-ALT 3, CONTINUED INTERSECTION 2012 PM Peak BG + Alt3 2032 PM Peak BG + Alt3 Hwy. 2 / -- LOS = E Fairchild AFB Delay = 71.4 Optimized Signal Timing, Add NB Lt turn bay and WB through lane -- LOS = D Delay = 48.9 Hwy. 2 / CM = SBL CM = SBL Dwy. Middle LOS = F LOS = F Signalized Roundabout Delay = * Delay = * LOS = C LOS = D Delay = 29.3 Delay = 40.3 LOS = A LOS = D Delay = 9.2 Delay = 60.0 West Plains Development – Spokane Tribe Page | 18 Traffic Impact Analysis April 28, 2011
2. INTRODUCTION This traffic impact analysis (TIA) is being submitted in support of the Environmental Impact Statement (EIS) for the Spokane Tribe’s West Plains Development project to comply with the National Environmental Policy Act (NEPA), as well as local agency development procedures and the Washington Department of Transportation’s (WSDOT) access permit requirements. The purpose of this study is to review, assess and identify potential traffic related impacts which the proposed project may have on the surrounding transportation system. This study was completed in accordance with the standard practice for completing studies of this type in Spokane County and generally follows the guidelines developed by the Institute of Transportation Engineers (A Recommended Practice - Traffic Access and Impact Studies for Site Development, 1991). 2.1 Site Location and Development Description This traffic study was completed for the proposed Spokane Tribe’s West Plains Development located northwest of the Hwy 2 & Craig Rd. intersection just west of the City of Airway Heights. As part of the federal EIS process three site plan alternatives are being considered on the approximately 145 acre site; all mixed use commercial developments. The following summarizes the three alternatives being considered. Alternative 1: Alternative 1 is a mixed use development including retail, casino/hotel, and commercial components. The components listed below were used to estimate the amount of traffic generated under Alternative 1. The trip generation for the central portion of the project was calculated based on the casino, the external restaurant space, and the specialty retail area. Components such as the hotel and food venues were considered incidental and ancillary uses to the primary casino components, as discussed in more detail in Section 5, Trip Generation and Distribution. • Casino/Hotel Resort o 3,040-gaming-position casino o 300-room hotel with pool and spa o 3-venue food court, two bars, 250-seat café, retail restaurant, and a 150-seat specialty restaurant o 93,500-square-foot Convention/Banquet Room • 205,000 square feet of specialty retail o Lifestyle retail o Specialty box retail • 18,000 square feet of restaurants o 150-seat specialty restaurant o 120-seat steakhouse • 155,145 square feet of site retail • 41,633-square-foot commercial development • 10,480-square-foot Tribal Cultural Center • 14, 036-square-foot Police and Fire Station Alternative 2: Alternative 2 is similar to Alternative 1 but with a smaller casino component and no hotel or specialty retail. The components listed below were used to estimate the amount of traffic generated under Alternative 2. As with Alternative 1, the trip generation for the central portion of the project was calculated based on the casino, the external restaurant space, and the specialty retail area. Components such as the food venues were considered incidental and ancillary uses to the primary casino components, as discussed in more detail in Section 5, Trip Generation and Distribution. • Casino/Hotel Resort o 1,878-gaming-position casino o 3-venue food court, two bars, and a 250-seat café o 12,600-square-foot multi-purpose bingo room • 9,200-square-foot steakhouse • 155,145 square feet of site retail West Plains Development – Spokane Tribe Page | 19 Traffic Impact Analysis April 28, 2011
Page 1 and 2: APPENDIX D TRAFFIC IMPACT ANALYSIS
Page 4 and 5: TABLE OF CONTENTS 1. EXECUTIVE SUMM
Page 6 and 7: Table 7. Alternative 1 - PM Peak Ho
Page 8 and 9: • 10,480-square-foot Tribal Cultu
Page 10 and 11: Hwy. 2 / Hayford Rd. S 2012 - Phase
Page 12 and 13: Hwy 2 / Lundstrom: Restripe and wid
Page 14 and 15: 2032 Alternative 2 Mitigations (in
Page 16 and 17: Table ES- 2. Operational Analysis S
Page 18 and 19: Table ES- 4. Operational Analysis S
Page 20 and 21: INTERSECTION MITIGATION - ALTERNATI
Page 22 and 23: MITIGATION-ALT 2, CONTINUED 2012 PM
Page 26 and 27: • 41,633-square-foot commercial d
Page 28 and 29: Project Site J 908 N. Howard St. St
Page 30 and 31: J Map from Friedmutter Group, Decem
Page 32 and 33: 2.5 Methodology The weekday PM peak
Page 34 and 35: 2.7 Applicable Standards, Policies
Page 36 and 37: 3. EXISTING CONDITIONS 3.1 Street N
Page 39: 3.5 Traffic Volumes The bulk of int
Page 42: Pipeline Project Description and As
Page 46: 4.4 Operational Analysis and Level
Page 50 and 51: 5. TRIP GENERATION and DISTRIBUTION
Page 52 and 53: 5.3 Trip Generation - Alternative 2
Page 54 and 55: 5.6 Trip Reductions and Net New Tri
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Page 65: 6.1.2 ALTERNATIVE 1 - 2015 Phase 2
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MITIGATION-ALT 2, CONTINUED 2012 PM
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6.1.8 ALTERNATIVE 3 - MITIGATION Th
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The Spokane Tribe should work with
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Table 22. Level of Service for 2032
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Alternative 3 is projected to gener
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2032 Alternative 2 Mitigations:
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8. CONCLUSIONS Based upon the techn
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9. RECOMMENDATIONS Mitigation recom
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Hwy 2 / Hayford: Optimize signal ti
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Hwy 2 / Fairchild AFB: Modify signa
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APPENDIX A TRAFFIC COUNT DATA Appen
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PROJECT: West Plains Development DA
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1 PROJECT: DAVID EVANS and ASSOCIAT
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PROJECT: Project Location INTERSECT
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Pipeline (Year 2012) Int. # INTERSE
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APPENDIX C TRIP GENERATION/INTERNAL
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TRIP GENERATION LAND USE: SHOPPING
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TRIP GENERATION LAND USE: Quality S
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TRIP GENERATION LAND USE: POLICE ST
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ITE Multi-Use Project Internal Capt
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APPENDIX E SYNCHRO WORKSHEETS Appen
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HCM Unsignalized Intersection Capac
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HCM Signalized Intersection Capacit
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APPENDIX E4 YEAR 2019 EXISTING PLUS
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APPENDIX E6 ALTERNATIVE 1 YEAR 2015
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YEAR 2032 SYNCHRO WORKSHEETS Append
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APPENDIX F SIDRA ANALYSIS WORKSHEET
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MOVEMENT SUMMARY Craig Rd./Hwy. (YE
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INTERSECTION SUMMARY Craig Rd./Hwy.
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QUEUE DISTANCE Largest 95% Back of
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INTERSECTION SUMMARY Middle Dwy./Hw
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MOVEMENT SUMMARY Middle Dwy./Hwy. (
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MOVEMENT SUMMARY Craig Rd./Hwy. 902
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YEAR 2032 SIDRA ANALYSIS WORKSHEETS
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MOVEMENT SUMMARY Craig Rd./6th Ave.
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MOVEMENT SUMMARY Craig Rd./Dwy. Nor
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8 Hour-100%-Minimum Volume - Craig-
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8 Hour-100%-Minimum Volume - Craig-
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8 Hour-100%-Minimum Volume - Middle
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8 Hour-100%-Minimum Volume - Middle
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8 Hour-100%-Minimum Volume - SR-902
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8 Hour-100%-Minimum Volume - SR-902
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ADDENDUM TO TRAFFIC IMPACT ANALYSIS
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overall site plan would not be sign
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In lieu of the various mitigations
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Project Proportional Share: 29.8% F
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Hwy 2 / Fairchild AFB: Modify signa
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Attachment B: Two Roundabout Access
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Attachment C: Operational Analysis
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LEVEL OF SERVICE SUMMARY West Dwy./
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MOVEMENT SUMMARY West Dwy./Hwy. (YE
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MOVEMENT SUMMARY West Dwy./Hwy. (YE
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MOVEMENT SUMMARY West RB 2032 Alt.1
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LEVEL OF SERVICE SUMMARY West RB 20
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MOVEMENT SUMMARY West RB 2032 Alt.3
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LEVEL OF SERVICE SUMMARY Middle Dwy
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LEVEL OF SERVICE SUMMARY Craig Rd./
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