Appendix D Traffic Impact Analysis - westplainseis.com

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MOVEMENT SUMMARY Craig Rd./Hwy. (YEAR 2032 Base PM PEAK) 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 47 1.0 0.192 24.2 LOS C 1.2 30.7 0.90 0.97 24.2 8T T 2 1.0 0.015 22.1 LOS C 0.1 2.0 0.90 0.89 24.4 8R R 98 1.0 0.061 5.9 NA 9 NA 9 NA 9 NA 9 0.49 34.1 Approach 147 1.0 0.192 12.0 LOS C 1.2 30.7 0.30 0.65 29.8 East: Hwy. 2 1L L 117 1.0 0.761 19.1 LOS B 11.3 285.3 0.90 1.02 27.3 6T T 1443 1.0 0.759 8.6 LOS A 11.7 294.2 0.89 0.93 27.5 6R R 471 1.0 0.424 6.2 LOS A 3.6 91.5 0.63 0.59 28.7 Approach 2031 1.0 0.759 8.7 LOS B 11.7 294.2 0.83 0.86 27.7 North: Craig Rd. 7L L 337 1.0 0.512 20.9 LOS C 3.7 92.7 0.89 1.03 23.2 4T T 2 1.0 0.538 14.8 LOS B 3.7 92.7 0.90 1.00 26.8 4R R 274 1.0 0.171 4.3 NA 9 NA 9 NA 9 NA 9 0.41 31.4 Approach 613 1.0 0.512 13.5 LOS C 3.7 92.7 0.49 0.75 26.1 West: Hwy. 2 5L L 373 1.0 0.468 13.6 LOS B 3.6 90.0 0.68 0.87 26.2 2T T 1683 1.0 0.822 10.3 LOS B 12.9 325.4 0.92 1.04 27.5 2R R 114 1.0 0.071 6.1 NA 9 NA 9 NA 9 NA 9 0.50 34.0 Approach 2170 1.0 0.822 10.6 LOS B 12.9 325.4 0.83 0.98 27.5 All Vehicles 4961 1.0 0.822 10.2 LOS B 12.9 325.4 0.77 0.89 27.5 Level of Service (Aver. Int. Delay): LOS B. Based on average delay for all vehicle movements. LOS Method: Delay (HCM). Level of Service (Worst Movement): LOS C. LOS Method for individual vehicle movements: Delay (HCM). Approach LOS values are based on the worst delay for any vehicle movement. Roundabout LOS Method: Same as Signalised Intersections. Roundabout Capacity Model: SIDRA Standard. 9 Continuous movement Processed: Thursday, February 10, 2011 10:45:12 AM Copyright © 2000-2010 Akcelik & Associates Pty Ltd SIDRA INTERSECTION 5.0.5.1510 www.sidrasolutions.com Project: P:\S\SPTR00000001\0600INFO\Traffic\February-2011-TIA\Sidra\Craig-Hwy.2\2032 Base-Craig.sip 8000011, DAVID EVANS & ASSOCIATES INC, SINGLE
QUEUE DISTANCE Largest 95% Back of Queue for any lane used by movement (feet) Craig Rd./Hwy. (YEAR 2032 Base PM PEAK) West Plains Development Roundabout Site: Roundabout Craig Rd. 0 93 93 90 Hwy. 2 285 294 Hwy. 2 91 325 0 31 2 0 Craig Rd. Colour code based on Queue Storage Ratio [ < 0.6 ] [ 0.6 – 0.7 ] [ 0.7 – 0.8 ] [ 0.8 – 0.9 ] [ 0.9 – 1.0 ] [ > 1.0] Continuous Processed: Thursday, February 10, 2011 10:45:12 AM Copyright © 2000-2010 Akcelik & Associates Pty Ltd SIDRA INTERSECTION 5.0.5.1510 www.sidrasolutions.com Project: P:\S\SPTR00000001\0600INFO\Traffic\February-2011-TIA\Sidra\Craig-Hwy.2\2032 Base-Craig.sip 8000011, DAVID EVANS & ASSOCIATES INC, SINGLE
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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 425: APPENDIX F SIDRA ANALYSIS WORKSHEET
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
Page 443 and 444: INTERSECTION SUMMARY Middle Dwy./Hw
Page 447 and 448: MOVEMENT SUMMARY Middle Dwy./Hwy. (
Page 457: QUEUE DISTANCE Largest 95% Back of
Page 460 and 461: MOVEMENT SUMMARY Craig Rd./Hwy. 902
Page 474 and 475: YEAR 2032 SIDRA ANALYSIS WORKSHEETS
Page 510: QUEUE DISTANCE Largest 95% Back of
Page 513 and 514: MOVEMENT SUMMARY Craig Rd./6th Ave.
Page 516 and 517: MOVEMENT SUMMARY Craig Rd./Dwy. Nor
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Page 524 and 525: 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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QUEUE DISTANCE Largest 95% Back of
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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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MOVEMENT SUMMARY Middle Dwy./Hwy. (
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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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