Appendix D Traffic Impact Analysis - westplainseis.com

MOVEMENT SUMMARY
Craig Rd./Hwy. (YEAR 2012 PM PEAK, ALT.1,PH.1)
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 1:21:51 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-PH1-Craig.sip
8000011, DAVID EVANS & ASSOCIATES INC, SINGLE