Appendix D Traffic Impact Analysis - westplainseis.com

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INTERSECTION SUMMARY Craig Rd./Hwy. (YEAR 2032 PM PEAK, ALT1 Buildout) West Plains Development Roundabout Site: Roundabout Intersection Performance - Hourly Values Performance Measure Vehicles Persons Demand Flows (Total) 7089 veh/h 8517 pers/h Percent Heavy Vehicles 1.0 % Degree of Saturation 1.354 Practical Spare Capacity -37.2 % Effective Intersection Capacity 5240 veh/h Control Delay (Total) 186.89 veh-h/h 224.27 pers-h/h Control Delay (Average) 94.9 sec 94.8 sec Control Delay (Worst Lane) 229.1 sec Control Delay (Worst Movement) 229.1 sec 229.1 sec Geometric Delay (Average) 4.7 sec Stop-Line Delay (Average) 90.2 sec Level of Service (Aver. Int. Delay) LOS F Level of Service (Worst Movement) LOS F Level of Service (Worst Lane) LOS F 95% Back of Queue - Vehicles (Worst Lane) 87.7 veh 95% Back of Queue - Distance (Worst Lane) 2209.6 ft Total Effective Stops 18841 veh/h 22610 pers/h Effective Stop Rate 2.66 per veh 2.65 per pers Proportion Queued 0.87 0.87 Performance Index 533.6 533.6 Travel Distance (Total) 2577.8 veh-mi/h 3093.4 pers-mi/h Travel Distance (Average) 1920 ft 1918 ft Travel Time (Total) 259.4 veh-h/h 311.3 pers-h/h Travel Time (Average) 131.7 sec 131.6 sec Travel Speed 9.9 mph 9.9 mph Cost (Total) 3552.87 $/h 3552.87 $/h Fuel Consumption (Total) 200.3 gal/h Carbon Dioxide (Total) 1896.3 kg/h Hydrocarbons (Total) 3.659 kg/h Carbon Monoxide (Total) 131.02 kg/h NOx (Total) 3.656 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) 3,402,839 veh/y 4,088,207 pers/y Delay 89,706 veh-h/y 107,647 pers-h/y Effective Stops 9,043,874 veh/y 10,852,650 pers/y Travel Distance 1,237,356 veh-mi/y 1,484,828 pers-mi/y Travel Time 124,529 veh-h/y 149,434 pers-h/y Cost 1,705,379 $/y 1,705,379 $/y Fuel Consumption 96,145 gal/y Carbon Dioxide 910,235 kg/y Hydrocarbons 1,757 kg/y Carbon Monoxide 62,891 kg/y NOx 1,755 kg/y Processed: Thursday, February 10, 2011 10:49:35 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 Alt1-Buildout-
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 244 1.0 1.353 229.1 LOS F 31.6 797.2 1.00 2.09 5.6 8T T 131 1.0 0.998 111.6 LOS F 10.6 267.1 1.00 1.39 9.4 8R R 98 1.0 0.061 5.9 NA 9 NA 9 NA 9 NA 9 0.49 34.1 Approach 472 1.0 1.354 150.3 LOS F 31.6 797.2 0.79 1.56 7.7 East: Hwy. 2 1L L 117 1.0 1.208 121.4 LOS F 70.7 1781.5 1.00 3.14 9.5 6T T 1984 1.0 1.209 110.2 LOS F 81.9 2063.0 1.00 3.52 8.3 6R R 659 1.0 0.653 9.4 LOS A 8.2 206.0 0.84 0.89 27.9 Approach 2760 1.0 1.209 86.6 LOS F 81.9 2063.0 0.96 2.87 10.1 North: Craig Rd. 7L L 495 1.0 1.265 166.1 LOS F 34.0 857.4 1.00 2.26 6.9 4T T 109 1.0 1.263 158.1 LOS F 34.0 857.4 1.00 2.24 7.1 4R R 282 1.0 0.176 4.3 NA 9 NA 9 NA 9 NA 9 0.41 31.4 Approach 885 1.0 1.266 113.6 LOS F 34.0 857.4 0.68 1.67 9.1 West: Hwy. 2 5L L 380 1.0 0.582 16.1 LOS B 5.1 127.8 0.79 1.00 25.1 2T T 2258 1.0 1.221 112.5 LOS F 87.7 2209.6 1.00 3.61 8.8 2R R 334 1.0 0.208 6.1 NA 9 NA 9 NA 9 NA 9 0.50 34.0 Approach 2972 1.0 1.221 88.2 LOS F 87.7 2209.6 0.86 2.92 10.6 All Vehicles 7089 1.0 1.354 94.9 LOS F 87.7 2209.6 0.87 2.66 9.9 Level of Service (Aver. Int. Delay): LOS F. Based on average delay for all vehicle movements. LOS Method: Delay (HCM). Level of Service (Worst Movement): LOS F. 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 10:49:35 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 Alt1-Buildout- 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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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 - 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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