Appendix D Traffic Impact Analysis - westplainseis.com

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INTERSECTION SUMMARY Middle Dwy./Hwy. (YEAR 2012 PM PEAK, ALT.1,PH.1) West Plains Development Roundabout Site: Roundabout Intersection Performance - Hourly Values Performance Measure Vehicles Persons Demand Flows (Total) 3975 veh/h 4780 pers/h Percent Heavy Vehicles 1.0 % Degree of Saturation 0.777 Practical Spare Capacity 9.3 % Effective Intersection Capacity 5113 veh/h Control Delay (Total) 10.85 veh-h/h 13.02 pers-h/h Control Delay (Average) 9.8 sec 9.8 sec Control Delay (Worst Lane) 19.2 sec Control Delay (Worst Movement) 18.8 sec 18.8 sec Geometric Delay (Average) 5.1 sec Stop-Line Delay (Average) 4.7 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) 7.9 veh 95% Back of Queue - Distance (Worst Lane) 199.4 ft Total Effective Stops 3331 veh/h 3997 pers/h Effective Stop Rate 0.84 per veh 0.84 per pers Proportion Queued 0.68 0.67 Performance Index 84.9 84.9 Travel Distance (Total) 1449.9 veh-mi/h 1739.9 pers-mi/h Travel Distance (Average) 1926 ft 1922 ft Travel Time (Total) 52.9 veh-h/h 63.4 pers-h/h Travel Time (Average) 47.9 sec 47.8 sec Travel Speed 27.4 mph 27.4 mph Cost (Total) 845.68 $/h 845.68 $/h Fuel Consumption (Total) 63.9 gal/h Carbon Dioxide (Total) 605.0 kg/h Hydrocarbons (Total) 0.996 kg/h Carbon Monoxide (Total) 42.67 kg/h NOx (Total) 1.328 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) 1,908,000 veh/y 2,294,400 pers/y Delay 5,210 veh-h/y 6,251 pers-h/y Effective Stops 1,598,910 veh/y 1,918,692 pers/y Travel Distance 695,971 veh-mi/y 835,165 pers-mi/y Travel Time 25,374 veh-h/y 30,449 pers-h/y Cost 405,926 $/y 405,926 $/y Fuel Consumption 30,674 gal/y Carbon Dioxide 290,395 kg/y Hydrocarbons 478 kg/y Carbon Monoxide 20,482 kg/y NOx 637 kg/y Processed: Tuesday, February 08, 2011 2:36:50 PM Copyright © 2000-2010 Akcelik & Associates Pty Ltd SIDRA INTERSECTION 5.0.5.1510 www.sidrasolutions.<strong>com</strong> Project: P:\S\SPTR00000001\0600INFO\<strong>Traffic</strong>\February-2011-TIA\Sidra\Hwy.2-Middle Dwy\Alt1-PH1.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 391 and 392: 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 463 and 464: MOVEMENT SUMMARY Craig Rd./Hwy. 902
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INTERSECTION SUMMARY Middle Dwy./Hw
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QUEUE DISTANCE Largest 95% Back of
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MOVEMENT SUMMARY Middle Dwy./Hwy. (
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INTERSECTION SUMMARY Craig Rd./Hwy.
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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./Hwy. 902
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INTERSECTION SUMMARY Craig Rd./6th
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INTERSECTION SUMMARY Craig Rd./Dwy.
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APPENDIX G SIGNAL WARRANTS Appendic
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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 - SR-902
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Background/Introduction This docume
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consideration. Certain preferred im
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HWY 2 / West Site Access: B/11.0
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(Note the proportional share respon
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Attachment A: Two Roundabout Site A
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Scenario 2012 Alt. 1, PH 1 2015 Alt
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Attachment C: Operational Analysis
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MOVEMENT SUMMARY West Dwy./Hwy. (YE
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LEVEL OF SERVICE SUMMARY West Dwy./
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LEVEL OF SERVICE SUMMARY West Dwy./
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LEVEL OF SERVICE SUMMARY West RB 20
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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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LEVEL OF SERVICE SUMMARY Middle Dwy
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MOVEMENT SUMMARY Craig Rd./Hwy. (YE
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