Appendix D Traffic Impact Analysis - westplainseis.com

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INTERSECTION SUMMARY Craig Rd./Hwy. (YEAR 2012 PM PEAK, ALT.2. Buildout) West Plains Development Roundabout Site: Roundabout Intersection Performance - Hourly Values Performance Measure Vehicles Persons Demand Flows (Total) 4212 veh/h 5064 pers/h Percent Heavy Vehicles 1.0 % Degree of Saturation 0.693 Practical Spare Capacity 22.6 % Effective Intersection Capacity 6076 veh/h Control Delay (Total) 9.13 veh-h/h 10.95 pers-h/h Control Delay (Average) 7.8 sec 7.8 sec Control Delay (Worst Lane) 21.4 sec Control Delay (Worst Movement) 21.4 sec 21.4 sec Geometric Delay (Average) 4.4 sec Stop-Line Delay (Average) 3.4 sec Level of Service (Aver. Int. Delay) LOS A Level of Service (Worst Movement) LOS C Level of Service (Worst Lane) LOS C 95% Back of Queue - Vehicles (Worst Lane) 8.3 veh 95% Back of Queue - Distance (Worst Lane) 209.0 ft Total Effective Stops 2916 veh/h 3499 pers/h Effective Stop Rate 0.69 per veh 0.69 per pers Proportion Queued 0.66 0.65 Performance Index 81.7 81.7 Travel Distance (Total) 1522.6 veh-mi/h 1827.1 pers-mi/h Travel Distance (Average) 1909 ft 1905 ft Travel Time (Total) 53.3 veh-h/h 64.0 pers-h/h Travel Time (Average) 45.6 sec 45.5 sec Travel Speed 28.5 mph 28.5 mph Cost (Total) 866.26 $/h 866.26 $/h Fuel Consumption (Total) 66.8 gal/h Carbon Dioxide (Total) 632.5 kg/h Hydrocarbons (Total) 1.036 kg/h Carbon Monoxide (Total) 44.76 kg/h NOx (Total) 1.414 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) 2,021,678 veh/y 2,430,813 pers/y Delay 4,380 veh-h/y 5,256 pers-h/y Effective Stops 1,399,521 veh/y 1,679,426 pers/y Travel Distance 730,851 veh-mi/y 877,022 pers-mi/y Travel Time 25,604 veh-h/y 30,724 pers-h/y Cost 415,806 $/y 415,806 $/y Fuel Consumption 32,070 gal/y Carbon Dioxide 303,620 kg/y Hydrocarbons 497 kg/y Carbon Monoxide 21,484 kg/y NOx 679 kg/y Processed: Tuesday, February 08, 2011 1:27:31 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\Alt2-Buildout-Craig.sip
MOVEMENT SUMMARY Craig Rd./Hwy. (YEAR 2012 PM PEAK, ALT.2. 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 174 1.0 0.446 21.4 LOS C 3.0 75.5 0.86 1.01 25.4 8T T 86 1.0 0.308 15.1 LOS B 1.7 43.3 0.85 0.93 27.8 8R R 71 1.0 0.044 5.9 NA 9 NA 9 NA 9 NA 9 0.49 34.1 Approach 331 1.0 0.446 16.5 LOS C 3.0 75.5 0.68 0.88 27.4 East: Hwy. 2 1L L 88 1.0 0.648 15.7 LOS B 7.1 179.1 0.74 0.93 29.0 6T T 1337 1.0 0.649 5.4 LOS A 7.2 181.1 0.73 0.64 28.4 6R R 229 1.0 0.177 5.0 LOS A 1.1 28.8 0.35 0.47 29.9 Approach 1654 1.0 0.649 5.9 LOS B 7.2 181.1 0.68 0.63 28.7 North: Craig Rd. 7L L 172 1.0 0.331 18.9 LOS B 2.2 54.3 0.84 0.98 24.1 4T T 73 1.0 0.332 12.7 LOS B 2.2 54.3 0.85 0.93 28.7 4R R 77 1.0 0.048 4.3 NA 9 NA 9 NA 9 NA 9 0.41 31.4 Approach 323 1.0 0.332 14.0 LOS B 2.2 54.3 0.64 0.83 26.4 West: Hwy. 2 5L L 100 1.0 0.139 12.5 LOS B 0.8 19.8 0.50 0.73 26.6 2T T 1562 1.0 0.693 6.7 LOS A 8.3 209.0 0.75 0.71 28.6 2R R 242 1.0 0.151 6.1 NA 9 NA 9 NA 9 NA 9 0.50 34.0 Approach 1904 1.0 0.693 6.9 LOS B 8.3 209.0 0.64 0.69 29.1 All Vehicles 4212 1.0 0.693 7.8 LOS A 8.3 209.0 0.66 0.69 28.5 Level of Service (Aver. Int. Delay): LOS A. 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. 9 Continuous movement Processed: Tuesday, February 08, 2011 1:27:31 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\Alt2-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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Page 385 and 386: 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 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 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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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./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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