Appendix D Traffic Impact Analysis - westplainseis.com

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MOVEMENT SUMMARY Craig Rd./Hwy. (YEAR 2032 PM PEAK, ALT1 Buildout) West Plains Development Roundabout Site: Roundabout Movement Performance - Vehicles Mov ID Turn Demand Deg. Average Level of 95% Back of Queue Prop. Effective Average Flow HV Satn Delay Service Vehicles Distance Queued Stop Rate Speed veh/h % v/c sec veh ft per veh mph South: Craig Rd. 3L L 235 1.0 1.164 183.5 LOS F 19.7 497.1 1.00 1.52 6.6 8T T 116 1.0 1.164 182.7 LOS F 15.9 401.1 1.00 1.71 6.2 8R R 92 1.0 0.057 0.0 X X X X 0.43 34.9 Approach 443 1.0 1.164 145.2 LOS F 19.7 497.1 0.79 1.34 7.7 East: Hwy. 2 1L L 110 1.0 0.961 42.6 LOS D 22.0 554.7 1.00 1.55 16.8 6T T 1864 1.0 0.961 39.2 LOS D 24.6 619.8 1.00 1.58 15.9 6R R 619 1.0 0.708 17.0 LOS B 7.1 178.9 0.87 1.05 22.5 Approach 2593 1.0 0.961 34.0 LOS C 24.6 619.8 0.97 1.45 17.2 North: Craig Rd. 7L L 465 1.0 1.199 167.7 LOS F 28.6 721.3 1.00 2.07 6.7 4T T 102 1.0 1.199 156.8 LOS F 28.6 721.3 1.00 2.09 7.0 4R R 265 1.0 0.165 0.0 X X X X 0.33 32.1 Approach 831 1.0 1.199 113.0 LOS F 28.6 721.3 0.68 1.52 8.8 West: Hwy. 2 5L L 357 1.0 0.438 10.0 LOS B 2.7 68.1 0.72 0.88 23.7 2T T 2121 1.0 1.020 52.9 LOS D 34.8 876.2 1.00 1.86 14.2 2R R 314 1.0 0.196 0.0 X X X X 0.44 34.8 Approach 2792 1.0 1.020 41.5 LOS D 34.8 876.2 0.85 1.57 16.2 All Vehicles 6660 1.0 1.199 54.4 LOS D 34.8 876.2 0.87 1.50 13.8 X: Not applicable for Continuous movement. Level of Service (LOS) Method: Delay (HCM 2000). Roundabout LOS Method: Same as Signalised Intersections. Vehicle movement LOS values are based on average delay per movement Intersection and Approach LOS values are based on average delay for all vehicle movements. Roundabout Capacity Model: SIDRA Standard. HCM Delay Model used. Processed: Thursday, July 14, 2011 4:52:01 PM Copyright © 2000-2011 Akcelik and Associates Pty Ltd SIDRA INTERSECTION 5.1.3.1990 www.sidrasolutions.com Project: P:\S\SPTR00000001\0600INFO\Traffic\April 2011-Final TIA\Sidra\Craig-Hwy.2\2032 Alt1-Buildout-Craig- REV-7=14-11.sip 8000011, DAVID EVANS & ASSOCIATES INC, SINGLE
LEVEL OF SERVICE SUMMARY Craig Rd./Hwy. (YEAR 2032 PM PEAK, ALT1 Buildout) West Plains Development Roundabout Site: Roundabout South East North West Intersection LOS F C F D D X: Not applicable for Continuous lane. Level of Service (LOS) Method: Delay (HCM 2000). Roundabout LOS Method: Same as Signalised Intersections. Lane LOS values are based on average delay per lane. Intersection and Approach LOS values are based on average delay for all lanes. Processed: Thursday, July 14, 2011 4:52:01 PM Copyright © 2000-2011 Akcelik and Associates Pty Ltd SIDRA INTERSECTION 5.1.3.1990 www.sidrasolutions.com Project: P:\S\SPTR00000001\0600INFO\Traffic\April 2011-Final TIA\Sidra\Craig-Hwy.2\2032 Alt1-Buildout-Craig-
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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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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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LEVEL OF SERVICE SUMMARY West Dwy./
Page 564 and 565: MOVEMENT SUMMARY West Dwy./Hwy. (YE
Page 566: QUEUE DISTANCE Largest 95% Back of
Page 569 and 570: LEVEL OF SERVICE SUMMARY West Dwy./
Page 572 and 573: MOVEMENT SUMMARY West RB 2032 Alt.1
Page 577 and 578: LEVEL OF SERVICE SUMMARY West RB 20
Page 580 and 581: MOVEMENT SUMMARY West RB 2032 Alt.3
Page 585 and 586: LEVEL OF SERVICE SUMMARY Middle Dwy
Page 588 and 589: MOVEMENT SUMMARY Middle Dwy./Hwy. (
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Appendix D Traffic Impact Analysis - westplainseis.com

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