Appendix D Traffic Impact Analysis - westplainseis.com

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INTERSECTION SUMMARY Craig Rd./Hwy. (YEAR 2015 PM PEAK, ALT.1,PH.2) West Plains Development Roundabout Site: Roundabout Intersection Performance - Hourly Values Performance Measure Vehicles Persons Demand Flows (Total) 4990 veh/h 5998 pers/h Percent Heavy Vehicles 1.0 % Degree of Saturation 0.851 Practical Spare Capacity -0.1 % Effective Intersection Capacity 5864 veh/h Control Delay (Total) 17.20 veh-h/h 20.64 pers-h/h Control Delay (Average) 12.4 sec 12.4 sec Control Delay (Worst Lane) 37.9 sec Control Delay (Worst Movement) 37.9 sec 37.9 sec Geometric Delay (Average) 4.5 sec Stop-Line Delay (Average) 7.9 sec Level of Service (Aver. Int. Delay) LOS B Level of Service (Worst Movement) LOS D Level of Service (Worst Lane) LOS D 95% Back of Queue - Vehicles (Worst Lane) 14.6 veh 95% Back of Queue - Distance (Worst Lane) 368.1 ft Total Effective Stops 4800 veh/h 5760 pers/h Effective Stop Rate 0.96 per veh 0.96 per pers Proportion Queued 0.80 0.80 Performance Index 120.4 120.4 Travel Distance (Total) 1807.9 veh-mi/h 2169.5 pers-mi/h Travel Distance (Average) 1913 ft 1910 ft Travel Time (Total) 68.1 veh-h/h 81.7 pers-h/h Travel Time (Average) 49.1 sec 49.0 sec Travel Speed 26.6 mph 26.6 mph Cost (Total) 1097.97 $/h 1097.97 $/h Fuel Consumption (Total) 83.8 gal/h Carbon Dioxide (Total) 792.9 kg/h Hydrocarbons (Total) 1.325 kg/h Carbon Monoxide (Total) 58.21 kg/h NOx (Total) 1.789 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) 2,395,355 veh/y 2,879,226 pers/y Delay 8,257 veh-h/y 9,909 pers-h/y Effective Stops 2,304,148 veh/y 2,764,978 pers/y Travel Distance 867,784 veh-mi/y 1,041,341 pers-mi/y Travel Time 32,665 veh-h/y 39,198 pers-h/y Cost 527,026 $/y 527,026 $/y Fuel Consumption 40,203 gal/y Carbon Dioxide 380,613 kg/y Hydrocarbons 636 kg/y Carbon Monoxide 27,942 kg/y NOx 859 kg/y Processed: Tuesday, February 08, 2011 1:38:38 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\Craig-Hwy.2\Alt1-PH2-Craig.sip
MOVEMENT SUMMARY Craig Rd./Hwy. (YEAR 2015 PM PEAK, ALT.1,PH.2) 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 210 1.0 0.760 37.9 LOS D 6.4 162.2 0.96 1.17 19.8 8T T 106 1.0 0.549 26.0 LOS C 3.5 87.5 0.94 1.04 22.8 8R R 78 1.0 0.049 5.9 NA 9 NA 9 NA 9 NA 9 0.49 34.1 Approach 395 1.0 0.759 28.3 LOS D 6.4 162.2 0.76 1.00 22.3 East: Hwy. 2 1L L 92 1.0 0.804 19.7 LOS B 11.9 300.7 0.92 1.09 27.0 6T T 1526 1.0 0.802 9.1 LOS A 12.3 310.4 0.91 1.01 27.2 6R R 332 1.0 0.269 5.4 LOS A 1.9 47.7 0.44 0.52 29.5 Approach 1951 1.0 0.802 9.0 LOS B 12.3 310.4 0.83 0.93 27.6 North: Craig Rd. 7L L 254 1.0 0.634 29.9 LOS C 5.1 128.3 0.94 1.11 20.3 4T T 91 1.0 0.635 22.6 LOS C 5.1 128.3 0.94 1.08 23.6 4R R 115 1.0 0.072 4.3 NA 9 NA 9 NA 9 NA 9 0.41 31.4 Approach 460 1.0 0.635 22.1 LOS C 5.1 128.3 0.70 0.93 22.8 West: Hwy. 2 5L L 153 1.0 0.231 13.3 LOS B 1.4 34.8 0.59 0.81 26.4 2T T 1755 1.0 0.851 11.0 LOS B 14.6 368.1 0.96 1.08 27.1 2R R 277 1.0 0.173 6.1 NA 9 NA 9 NA 9 NA 9 0.50 34.0 Approach 2185 1.0 0.851 10.6 LOS B 14.6 368.1 0.81 0.99 27.7 All Vehicles 4990 1.0 0.851 12.4 LOS B 14.6 368.1 0.80 0.96 26.6 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 D. 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: Tuesday, February 08, 2011 1:38:38 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\Craig-Hwy.2\Alt1-PH2-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 379 and 380: HCM Unsignalized Intersection Capac
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Page 425: APPENDIX F SIDRA ANALYSIS WORKSHEET
Page 428 and 429: MOVEMENT SUMMARY Craig Rd./Hwy. (YE
Page 432 and 433: QUEUE DISTANCE Largest 95% Back of
Page 436 and 437: INTERSECTION SUMMARY Craig Rd./Hwy.
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. (YE
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INTERSECTION SUMMARY Craig Rd./Hwy.
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MOVEMENT SUMMARY Middle Dwy./Hwy. (
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INTERSECTION SUMMARY Middle Dwy./Hw
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INTERSECTION SUMMARY Middle Dwy./Hw
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MOVEMENT SUMMARY Craig Rd./Hwy. 902
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MOVEMENT SUMMARY Craig Rd./Hwy. 902
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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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