Appendix D Traffic Impact Analysis - westplainseis.com

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HCM Signalized Intersection Capacity Analysis 14: Hwy. 2 & Middle Access 2/14/2011 Movement EBL EBT WBT WBR SBL SBR Lane Configurations Volume (vph) 289 1829 1589 361 607 118 Ideal Flow (vphpl) 1900 1900 1900 1900 1900 1900 Total Lost time (s) 5.0 5.0 4.0 4.0 4.0 4.0 Lane Util. Factor 1.00 0.95 0.95 1.00 0.97 1.00 Frt 1.00 1.00 1.00 0.85 1.00 0.85 Flt Protected 0.95 1.00 1.00 1.00 0.95 1.00 Satd. Flow (prot) 1770 3539 3539 1583 3433 1583 Flt Permitted 0.95 1.00 1.00 1.00 0.95 1.00 Satd. Flow (perm) 1770 3539 3539 1583 3433 1583 Peak-hour factor, PHF 0.92 0.92 0.92 0.92 0.92 0.92 Adj. Flow (vph) 314 1988 1727 392 660 128 RTOR Reduction (vph) 0 0 0 196 0 101 Lane Group Flow (vph) 314 1988 1727 196 660 27 Turn Type Prot Perm Perm Protected Phases 5 2 6 4 Permitted Phases 6 4 Actuated Green, G (s) 22.0 86.0 60.0 60.0 25.0 25.0 Effective Green, g (s) 22.0 86.0 60.0 60.0 25.0 25.0 Actuated g/C Ratio 0.18 0.72 0.50 0.50 0.21 0.21 Clearance Time (s) 5.0 5.0 4.0 4.0 4.0 4.0 Vehicle Extension (s) 3.0 3.0 3.0 3.0 3.0 3.0 Lane Grp Cap (vph) 325 2536 1770 792 715 330 v/s Ratio Prot c0.18 0.56 c0.49 c0.19 v/s Ratio Perm 0.12 0.02 v/c Ratio 0.97 0.78 0.98 0.25 0.92 0.08 Uniform Delay, d1 48.6 11.0 29.3 17.1 46.6 38.2 Progression Factor 1.00 1.00 1.00 1.00 0.99 0.98 Incremental Delay, d2 40.5 2.5 16.4 0.7 19.4 0.5 Delay (s) 89.1 13.5 45.6 17.9 65.4 37.9 Level of Service F B D B E D Approach Delay (s) 23.8 40.5 61.0 Approach LOS C D E Intersection Summary HCM Average Control Delay 36.2 HCM Level of Service D HCM Volume to Capacity ratio 0.96 Actuated Cycle Length (s) 120.0 Sum of lost time (s) 13.0 Intersection Capacity Utilization 88.1% ICU Level of Service E Analysis Period (min) 15 Description: Signalized, Optimized c Critical Lane Group West Plains Development Traffic Impact Analysis Synchro 7 - Report 2032-Alternative 3 Buildout-Mitigated Page 7
APPENDIX F SIDRA ANALYSIS WORKSHEETS Appendices
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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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YEAR 2032 SYNCHRO WORKSHEETS Append
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Page 373 and 374: HCM Unsignalized Intersection Capac
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Page 428 and 429: MOVEMENT SUMMARY Craig Rd./Hwy. (YE
Page 430 and 431: INTERSECTION SUMMARY Craig Rd./Hwy.
Page 432 and 433: QUEUE DISTANCE Largest 95% Back of
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Page 447 and 448: MOVEMENT SUMMARY Middle Dwy./Hwy. (
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Page 457: QUEUE DISTANCE Largest 95% Back of
Page 460 and 461: MOVEMENT SUMMARY Craig Rd./Hwy. 902
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YEAR 2032 SIDRA ANALYSIS WORKSHEETS
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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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MOVEMENT SUMMARY Craig Rd./Hwy. (YE
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MOVEMENT SUMMARY Middle Dwy./Hwy. (
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INTERSECTION SUMMARY Middle Dwy./Hw
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INTERSECTION SUMMARY Middle Dwy./Hw
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MOVEMENT SUMMARY Craig Rd./Hwy. 902
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MOVEMENT SUMMARY Craig Rd./Hwy. 902
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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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