Appendix D Traffic Impact Analysis - westplainseis.com

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QUEUE DISTANCE Largest 95% Back of Queue for any lane used by movement (feet) Middle Dwy./Hwy. (YEAR 2012 PM PEAK, ALT.2,Buildout) West Plains Development Roundabout Site: Roundabout Middle Dwy. 0 142 92 Hwy. 2 149 Hwy. 2 0 199 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: Tuesday, February 08, 2011 2:42:42 PM 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\Hwy.2-Middle Dwy\Alt2-Buildout.sip 8000011, DAVID EVANS & ASSOCIATES INC, SINGLE
INTERSECTION SUMMARY Middle Dwy./Hwy. (YEAR 2012 PM PEAK, ALT.3,Buildout) West Plains Development Roundabout Site: Roundabout Intersection Performance - Hourly Values Performance Measure Vehicles Persons Demand Flows (Total) 3682 veh/h 4428 pers/h Percent Heavy Vehicles 1.0 % Degree of Saturation 0.724 Practical Spare Capacity 17.5 % Effective Intersection Capacity 5088 veh/h Control Delay (Total) 8.78 veh-h/h 10.54 pers-h/h Control Delay (Average) 8.6 sec 8.6 sec Control Delay (Worst Lane) 17.3 sec Control Delay (Worst Movement) 17.0 sec 17.0 sec Geometric Delay (Average) 5.0 sec Stop-Line Delay (Average) 3.6 sec Level of Service (Aver. Int. Delay) LOS A Level of Service (Worst Movement) LOS B Level of Service (Worst Lane) LOS B 95% Back of Queue - Vehicles (Worst Lane) 6.9 veh 95% Back of Queue - Distance (Worst Lane) 173.8 ft Total Effective Stops 2737 veh/h 3285 pers/h Effective Stop Rate 0.74 per veh 0.74 per pers Proportion Queued 0.64 0.64 Performance Index 73.6 73.6 Travel Distance (Total) 1338.6 veh-mi/h 1606.4 pers-mi/h Travel Distance (Average) 1920 ft 1916 ft Travel Time (Total) 48.0 veh-h/h 57.6 pers-h/h Travel Time (Average) 46.9 sec 46.8 sec Travel Speed 27.9 mph 27.9 mph Cost (Total) 767.58 $/h 767.58 $/h Fuel Consumption (Total) 58.0 gal/h Carbon Dioxide (Total) 549.5 kg/h Hydrocarbons (Total) 0.899 kg/h Carbon Monoxide (Total) 38.22 kg/h NOx (Total) 1.200 kg/h LOS (Aver. Int. Delay) for Vehicles is based on average delay for all vehicle movements. LOS Method: Delay (HCM). LOS Method for individual vehicle movements and lanes: Delay (HCM). Roundabout LOS Method: Same as Signalised Intersections. Roundabout Capacity Model: SIDRA Standard. Intersection Performance - Annual Values Performance Measure Vehicles Persons Demand Flows (Total) 1,767,130 veh/y 2,125,357 pers/y Delay 4,214 veh-h/y 5,057 pers-h/y Effective Stops 1,313,889 veh/y 1,576,666 pers/y Travel Distance 642,544 veh-mi/y 771,053 pers-mi/y Travel Time 23,030 veh-h/y 27,636 pers-h/y Cost 368,439 $/y 368,439 $/y Fuel Consumption 27,861 gal/y Carbon Dioxide 263,767 kg/y Hydrocarbons 432 kg/y Carbon Monoxide 18,344 kg/y NOx 576 kg/y Processed: Wednesday, February 09, 2011 11:31:07 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\Hwy.2-Middle Dwy\Alt3-Buildout.sip
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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 403 and 404: HCM Signalized Intersection Capacit
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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. (
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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
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QUEUE DISTANCE Largest 95% Back of
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MOVEMENT SUMMARY Craig Rd./Hwy. 902
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INTERSECTION SUMMARY Craig Rd./Hwy.
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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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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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