Appendix D Traffic Impact Analysis - westplainseis.com

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HCM Unsignalized Intersection Capacity Analysis 8: Thorpe & Craig Road East 2/8/2011 Movement EBL EBT WBT WBR SBL SBR Lane Configurations Volume (veh/h) 271 0 2 20 22 335 Sign Control Free Free Stop Grade 0% 0% 0% Peak Hour Factor 0.92 0.92 0.92 0.92 0.92 0.92 Hourly flow rate (vph) 295 0 2 22 24 364 Pedestrians Lane Width (ft) Walking Speed (ft/s) Percent Blockage Right turn flare (veh) Median type None None Median storage veh) Upstream signal (ft) pX, platoon unblocked vC, conflicting volume 24 602 13 vC1, stage 1 conf vol vC2, stage 2 conf vol vCu, unblocked vol 24 602 13 tC, single (s) 4.1 6.4 6.2 tC, 2 stage (s) tF (s) 2.2 3.5 3.3 p0 queue free % 81 94 66 cM capacity (veh/h) 1584 377 1067 Direction, Lane # EB 1 WB 1 SB 1 Volume Total 295 24 388 Volume Left 295 0 24 Volume Right 0 22 364 cSH 1584 1700 959 Volume to Capacity 0.19 0.01 0.40 Queue Length 95th (ft) 17 0 50 Control Delay (s) 7.8 0.0 11.3 Lane LOS A B Approach Delay (s) 7.8 0.0 11.3 Approach LOS B Intersection Summary Average Delay 9.4 Intersection Capacity Utilization 50.3% ICU Level of Service A Analysis Period (min) 15 2012 plus Project, Alt. 2, Buildout Synchro 7 - Report cak Page 8
HCM Unsignalized Intersection Capacity Analysis 9: Thorpe & Craig 2/8/2011 Movement EBT EBR WBL WBT NBL NBR Lane Configurations Volume (veh/h) 2 3 335 3 3 271 Sign Control Free Free Stop Grade 0% 0% 0% Peak Hour Factor 0.83 0.83 0.83 0.83 0.83 0.83 Hourly flow rate (vph) 2 4 404 4 4 327 Pedestrians Lane Width (ft) Walking Speed (ft/s) Percent Blockage Right turn flare (veh) Median type None None Median storage veh) Upstream signal (ft) pX, platoon unblocked vC, conflicting volume 6 815 4 vC1, stage 1 conf vol vC2, stage 2 conf vol vCu, unblocked vol 6 815 4 tC, single (s) 4.1 6.4 6.2 tC, 2 stage (s) tF (s) 2.2 3.5 3.3 p0 queue free % 75 99 70 cM capacity (veh/h) 1628 260 1076 Direction, Lane # EB 1 WB 1 NB 1 Volume Total 6 407 330 Volume Left 0 404 4 Volume Right 4 0 327 cSH 1700 1628 1041 Volume to Capacity 0.00 0.25 0.32 Queue Length 95th (ft) 0 25 34 Control Delay (s) 0.0 7.9 10.1 Lane LOS A B Approach Delay (s) 0.0 7.9 10.1 Approach LOS B Intersection Summary Average Delay 8.8 Intersection Capacity Utilization 49.0% ICU Level of Service A Analysis Period (min) 15 2012 plus Project, Alt. 2, Buildout Synchro 7 - Report cak Page 9
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APPENDIX D TRAFFIC IMPACT ANALYSIS
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TABLE OF CONTENTS 1. EXECUTIVE SUMM
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Table 7. Alternative 1 - PM Peak Ho
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• 10,480-square-foot Tribal Cultu
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Hwy. 2 / Hayford Rd. S 2012 - Phase
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Hwy 2 / Lundstrom: Restripe and wid
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2032 Alternative 2 Mitigations (in
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Table ES- 2. Operational Analysis S
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Table ES- 4. Operational Analysis S
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INTERSECTION MITIGATION - ALTERNATI
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MITIGATION-ALT 2, CONTINUED 2012 PM
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MITIGATION-ALT 3, CONTINUED INTERSE
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• 41,633-square-foot commercial d
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Project Site J 908 N. Howard St. St
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J Map from Friedmutter Group, Decem
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2.5 Methodology The weekday PM peak
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2.7 Applicable Standards, Policies
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3. EXISTING CONDITIONS 3.1 Street N
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3.5 Traffic Volumes The bulk of int
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Pipeline Project Description and As
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4.4 Operational Analysis and Level
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5. TRIP GENERATION and DISTRIBUTION
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5.3 Trip Generation - Alternative 2
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5.6 Trip Reductions and Net New Tri
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5.7 Trip Distribution (Proposed Pro
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6.1.2 ALTERNATIVE 1 - 2015 Phase 2
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6.1.4 ALTERNATIVE 1 - MITIGATION Th
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Listed below are improvements recom
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6.1.5 ALTERNATIVE 2 - 2012 Buildout
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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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Page 246 and 247: HCM Unsignalized Intersection Capac
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Page 262 and 263: APPENDIX E7 ALTERNATIVE 1 YEAR 2019
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Page 311 and 312: APPENDIX E9 ALTERNATIVE 3 YEAR 2012
Page 333 and 334: 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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