Appendix D Traffic Impact Analysis - westplainseis.com

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HCM Unsignalized Intersection Capacity Analysis 1: Hwy. 2 & Craig Road 2/10/2011 Movement EBL EBT EBR WBL WBT WBR NBL NBT NBR SBL SBT SBR Lane Configurations Volume (veh/h) 347 1565 106 109 1342 438 44 2 91 313 2 255 Sign Control Free Free Stop Stop Grade 0% 0% 0% 0% Peak Hour Factor 0.93 0.93 0.93 0.93 0.93 0.93 0.93 0.93 0.93 0.93 0.93 0.93 Hourly flow rate (vph) 373 1683 114 117 1443 471 47 2 98 337 2 274 Pedestrians Lane Width (ft) Walking Speed (ft/s) Percent Blockage Right turn flare (veh) Median type TWLTL TWLTL Median storage veh) 2 2 Upstream signal (ft) pX, platoon unblocked vC, conflicting volume 1914 1797 3660 4577 841 3364 4220 722 vC1, stage 1 conf vol 2429 2429 1677 1677 vC2, stage 2 conf vol 1231 2148 1687 2543 vCu, unblocked vol 1914 1797 3660 4577 841 3364 4220 722 tC, single (s) 4.1 4.1 7.5 6.5 6.9 7.5 6.5 6.9 tC, 2 stage (s) 6.5 5.5 6.5 5.5 tF (s) 2.2 2.2 3.5 4.0 3.3 3.5 4.0 3.3 p0 queue free % 0 66 0 0 68 0 0 26 cM capacity (veh/h) 310 344 0 0 310 0 0 372 Direction, Lane # EB 1 EB 2 EB 3 EB 4 WB 1 WB 2 WB 3 WB 4 NB 1 SB 1 Volume Total 373 841 841 114 117 722 722 471 147 613 Volume Left 373 0 0 0 117 0 0 0 47 337 Volume Right 0 0 0 114 0 0 0 471 98 274 cSH 310 1700 1700 1700 344 1700 1700 1700 0 0 Volume to Capacity 1.20 0.49 0.49 0.07 0.34 0.42 0.42 0.28 Err Err Queue Length 95th (ft) 411 0 0 0 37 0 0 0 Err Err Control Delay (s) 154.4 0.0 0.0 0.0 20.8 0.0 0.0 0.0 Err Err Lane LOS F C F F Approach Delay (s) 26.5 1.2 Err Err Approach LOS F F Intersection Summary Average Delay Err Intersection Capacity Utilization 106.1% ICU Level of Service G Analysis Period (min) 15 West Plains Develoment Traffic Impact Analysis Synchro 7 - Report 2032 Base Volumes Page 1
HCM Unsignalized Intersection Capacity Analysis 2: Hwy. 2 & Lundstrom St. 2/10/2011 Movement EBL EBT EBR WBL WBT WBR NBL NBT NBR SBL SBT SBR Lane Configurations Volume (veh/h) 46 1911 36 23 1801 40 18 4 26 16 5 32 Sign Control Free Free Stop Stop Grade 0% 0% 0% 0% Peak Hour Factor 0.97 0.97 0.97 0.97 0.97 0.97 0.97 0.97 0.97 0.97 0.97 0.97 Hourly flow rate (vph) 47 1970 37 24 1857 41 19 4 27 16 5 33 Pedestrians Lane Width (ft) Walking Speed (ft/s) Percent Blockage Right turn flare (veh) Median type TWLTL None Median storage veh) 2 Upstream signal (ft) pX, platoon unblocked vC, conflicting volume 1898 2007 3095 4029 1004 3034 4027 949 vC1, stage 1 conf vol 2084 2084 1925 1925 vC2, stage 2 conf vol 1011 1945 1109 2102 vCu, unblocked vol 1898 2007 3095 4029 1004 3034 4027 949 tC, single (s) 4.1 4.1 7.5 6.5 6.9 7.5 6.5 6.9 tC, 2 stage (s) 6.5 5.5 6.5 5.5 tF (s) 2.2 2.2 3.5 4.0 3.3 3.5 4.0 3.3 p0 queue free % 85 92 57 90 89 70 89 88 cM capacity (veh/h) 310 285 43 43 244 56 47 265 Direction, Lane # EB 1 EB 2 EB 3 WB 1 WB 2 WB 3 NB 1 SB 1 Volume Total 47 1313 694 24 1238 660 49 55 Volume Left 47 0 0 24 0 0 19 16 Volume Right 0 0 37 0 0 41 27 33 cSH 310 1700 1700 285 1700 1700 78 103 Volume to Capacity 0.15 0.77 0.41 0.08 0.73 0.39 0.63 0.53 Queue Length 95th (ft) 13 0 0 7 0 0 72 61 Control Delay (s) 18.7 0.0 0.0 18.8 0.0 0.0 109.6 74.1 Lane LOS C C F F Approach Delay (s) 0.4 0.2 109.6 74.1 Approach LOS F F Intersection Summary Average Delay 2.6 Intersection Capacity Utilization 64.7% ICU Level of Service C Analysis Period (min) 15 West Plains Develoment Traffic Impact Analysis Synchro 7 - Report 2032 Base Volumes Page 2
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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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APPENDIX E7 ALTERNATIVE 1 YEAR 2019
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Page 284 and 285: HCM Signalized Intersection Capacit
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Page 311 and 312: APPENDIX E9 ALTERNATIVE 3 YEAR 2012
Page 333: 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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