Appendix D Traffic Impact Analysis - westplainseis.com

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HCM Unsignalized Intersection Capacity Analysis 12: 6th Ave & Craig Road 2/8/2011 Movement WBL WBR NBT NBR SBL SBT Lane Configurations Volume (veh/h) 297 0 534 356 0 433 Sign Control Stop Free Free Grade 0% 0% 0% Peak Hour Factor 0.92 0.92 0.92 0.92 0.92 0.92 Hourly flow rate (vph) 323 0 580 387 0 471 Pedestrians Lane Width (ft) Walking Speed (ft/s) Percent Blockage Right turn flare (veh) 4 Median type TWLTL None Median storage veh) 2 Upstream signal (ft) pX, platoon unblocked vC, conflicting volume 1245 774 967 vC1, stage 1 conf vol 774 vC2, stage 2 conf vol 471 vCu, unblocked vol 1245 774 967 tC, single (s) 6.4 6.2 4.1 tC, 2 stage (s) 5.4 tF (s) 3.5 3.3 2.2 p0 queue free % 19 100 100 cM capacity (veh/h) 397 399 712 Direction, Lane # WB 1 NB 1 SB 1 SB 2 Volume Total 323 967 0 471 Volume Left 323 0 0 0 Volume Right 0 387 0 0 cSH 395 1700 1700 1700 Volume to Capacity 0.82 0.57 0.00 0.28 Queue Length 95th (ft) 185 0 0 0 Control Delay (s) 44.0 0.0 0.0 0.0 Lane LOS E Approach Delay (s) 44.0 0.0 0.0 Approach LOS E Intersection Summary Average Delay 8.1 Intersection Capacity Utilization 73.0% ICU Level of Service C Analysis Period (min) 15 2019 plus Project, Alt. 1, PH3 Synchro 7 - Report cak Page 12
HCM Unsignalized Intersection Capacity Analysis 13: Hwy. 2 & West Access 2/8/2011 Movement EBL EBT WBT WBR SBL SBR Lane Configurations Volume (veh/h) 0 1884 1364 175 0 175 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) 0 2048 1483 190 0 190 Pedestrians Lane Width (ft) Walking Speed (ft/s) Percent Blockage Right turn flare (veh) Median type None TWLTL Median storage veh) 2 Upstream signal (ft) pX, platoon unblocked vC, conflicting volume 1673 2507 741 vC1, stage 1 conf vol 1483 vC2, stage 2 conf vol 1024 vCu, unblocked vol 1673 2507 741 tC, single (s) 4.1 6.8 6.9 tC, 2 stage (s) 5.8 tF (s) 2.2 3.5 3.3 p0 queue free % 100 100 47 cM capacity (veh/h) 380 148 359 Direction, Lane # EB 1 EB 2 WB 1 WB 2 WB 3 SB 1 Volume Total 1024 1024 741 741 190 190 Volume Left 0 0 0 0 0 0 Volume Right 0 0 0 0 190 190 cSH 1700 1700 1700 1700 1700 359 Volume to Capacity 0.60 0.60 0.44 0.44 0.11 0.53 Queue Length 95th (ft) 0 0 0 0 0 74 Control Delay (s) 0.0 0.0 0.0 0.0 0.0 25.8 Lane LOS D Approach Delay (s) 0.0 0.0 25.8 Approach LOS D Intersection Summary Average Delay 1.3 Intersection Capacity Utilization 55.4% ICU Level of Service B Analysis Period (min) 15 2019 plus Project, Alt. 1, PH3 Synchro 7 - Report cak Page 13
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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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Page 224 and 225: HCM Unsignalized Intersection Capac
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Page 238 and 239: 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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Appendix D Traffic Impact Analysis - westplainseis.com

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