Appendix D Traffic Impact Analysis - westplainseis.com

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INTERSECTION SUMMARY Craig Rd./Hwy. 902 (YEAR 2032 PM PEAK, Alt 1 Buildout) West Plains Development Roundabout Site: Roundabout Intersection Performance - Hourly Values Performance Measure Vehicles Persons Demand Flows (Total) 1782 veh/h 2149 pers/h Percent Heavy Vehicles 1.1 % Degree of Saturation 0.912 Practical Spare Capacity -6.9 % Effective Intersection Capacity 1951 veh/h Control Delay (Total) 7.95 veh-h/h 9.54 pers-h/h Control Delay (Average) 16.1 sec 16.0 sec Control Delay (Worst Lane) 25.0 sec Control Delay (Worst Movement) 29.1 sec 29.1 sec Geometric Delay (Average) 5.0 sec Stop-Line Delay (Average) 11.1 sec Level of Service (Aver. Int. Delay) LOS B Level of Service (Worst Movement) LOS C Level of Service (Worst Lane) LOS C 95% Back of Queue - Vehicles (Worst Lane) 19.7 veh 95% Back of Queue - Distance (Worst Lane) 495.8 ft Total Effective Stops 1880 veh/h 2255 pers/h Effective Stop Rate 1.05 per veh 1.05 per pers Proportion Queued 0.87 0.86 Performance Index 49.5 49.5 Travel Distance (Total) 654.6 veh-mi/h 785.5 pers-mi/h Travel Distance (Average) 1939 ft 1930 ft Travel Time (Total) 26.3 veh-h/h 31.5 pers-h/h Travel Time (Average) 53.1 sec 52.8 sec Travel Speed 24.9 mph 24.9 mph Cost (Total) 424.09 $/h 424.09 $/h Fuel Consumption (Total) 32.2 gal/h Carbon Dioxide (Total) 304.8 kg/h Hydrocarbons (Total) 0.516 kg/h Carbon Monoxide (Total) 23.07 kg/h NOx (Total) 0.698 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) 855,467 veh/y 1,031,360 pers/y Delay 3,815 veh-h/y 4,578 pers-h/y Effective Stops 902,181 veh/y 1,082,617 pers/y Travel Distance 314,209 veh-mi/y 377,051 pers-mi/y Travel Time 12,611 veh-h/y 15,134 pers-h/y Cost 203,565 $/y 203,565 $/y Fuel Consumption 15,455 gal/y Carbon Dioxide 146,320 kg/y Hydrocarbons 248 kg/y Carbon Monoxide 11,076 kg/y NOx 335 kg/y Processed: Thursday, February 10, 2011 11:33:01 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\SR902-Craig Rd\2032 Alt1-Buildout-
MOVEMENT SUMMARY Craig Rd./Hwy. 902 (YEAR 2032 PM PEAK, Alt 1 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 7 2.0 0.333 17.6 LOS B 2.4 60.2 0.76 1.00 28.0 8T T 168 2.0 0.340 10.4 LOS B 2.4 60.2 0.76 0.86 30.7 8R R 7 2.0 0.333 11.4 LOS B 2.4 60.2 0.76 0.89 30.5 Approach 181 2.0 0.340 10.7 LOS B 2.4 60.2 0.76 0.86 30.6 East: SR 902 1L L 19 1.0 0.525 15.3 LOS B 4.5 114.3 0.64 0.89 29.1 6T T 384 1.0 0.526 5.3 LOS A 4.5 114.3 0.64 0.60 28.8 6R R 33 1.0 0.529 7.5 LOS A 4.5 114.3 0.64 0.71 28.9 Approach 437 1.0 0.526 5.9 LOS B 4.5 114.3 0.64 0.62 28.8 North: Craig Rd. 7L L 183 1.0 0.912 29.1 LOS C 19.7 495.8 1.00 1.35 20.9 4T T 216 1.0 0.913 23.7 LOS C 19.7 495.8 1.00 1.31 23.2 4R R 263 1.0 0.911 23.2 LOS C 19.7 495.8 1.00 1.35 21.6 Approach 662 1.0 0.912 25.0 LOS C 19.7 495.8 1.00 1.34 21.9 West: SR 902 5L L 106 1.0 0.806 20.5 LOS C 10.6 267.6 0.93 1.16 24.0 2T T 384 1.0 0.804 13.5 LOS B 10.6 267.6 0.93 1.12 25.5 2R R 12 1.0 0.815 16.1 LOS B 10.6 267.6 0.93 1.11 27.4 Approach 502 1.0 0.805 15.0 LOS C 10.6 267.6 0.93 1.13 25.2 All Vehicles 1782 1.1 0.912 16.1 LOS B 19.7 495.8 0.87 1.05 24.9 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. Processed: Thursday, February 10, 2011 11:33:01 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\SR902-Craig Rd\2032 Alt1-Buildout- SR902.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
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MOVEMENT SUMMARY Craig Rd./Hwy. (YE
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INTERSECTION SUMMARY Craig Rd./Hwy.
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QUEUE DISTANCE Largest 95% Back of
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INTERSECTION SUMMARY Craig Rd./Hwy.
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INTERSECTION SUMMARY Middle Dwy./Hw
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MOVEMENT SUMMARY Middle Dwy./Hwy. (
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INTERSECTION SUMMARY Middle Dwy./Hw
Page 451 and 452: QUEUE DISTANCE Largest 95% Back of
Page 453 and 454: MOVEMENT SUMMARY Middle Dwy./Hwy. (
Page 455 and 456: INTERSECTION SUMMARY Middle Dwy./Hw
Page 457: QUEUE DISTANCE Largest 95% Back of
Page 460 and 461: MOVEMENT SUMMARY Craig Rd./Hwy. 902
Page 462 and 463: INTERSECTION SUMMARY Craig Rd./Hwy.
Page 474 and 475: YEAR 2032 SIDRA ANALYSIS WORKSHEETS
Page 476 and 477: MOVEMENT SUMMARY Craig Rd./Hwy. (YE
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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
Page 520 and 521: 8 Hour-100%-Minimum Volume - Craig-
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Page 524 and 525: 8 Hour-100%-Minimum Volume - Middle
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Page 528 and 529: 8 Hour-100%-Minimum Volume - SR-902
Page 530 and 531: 8 Hour-100%-Minimum Volume - SR-902
Page 532: ADDENDUM TO TRAFFIC IMPACT ANALYSIS
Page 535 and 536: overall site plan would not be sign
Page 537 and 538: In lieu of the various mitigations
Page 539 and 540: Project Proportional Share: 29.8% F
Page 541 and 542: Hwy 2 / Fairchild AFB: Modify signa
Page 544 and 545: Attachment B: Two Roundabout Access
Page 546 and 547: Attachment C: Operational Analysis
Page 548 and 549: HCM Signalized Intersection Capacit
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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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