Appendix D Traffic Impact Analysis - westplainseis.com

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 235 1.0 1.164 183.5 LOS F 19.7 497.1 1.00 1.52 6.6
8T T 116 1.0 1.164 182.7 LOS F 15.9 401.1 1.00 1.71 6.2
8R R 92 1.0 0.057 0.0 X X X X 0.43 34.9
Approach 443 1.0 1.164 145.2 LOS F 19.7 497.1 0.79 1.34 7.7
East: Hwy. 2
1L L 110 1.0 0.961 42.6 LOS D 22.0 554.7 1.00 1.55 16.8
6T T 1864 1.0 0.961 39.2 LOS D 24.6 619.8 1.00 1.58 15.9
6R R 619 1.0 0.708 17.0 LOS B 7.1 178.9 0.87 1.05 22.5
Approach 2593 1.0 0.961 34.0 LOS C 24.6 619.8 0.97 1.45 17.2
North: Craig Rd.
7L L 465 1.0 1.199 167.7 LOS F 28.6 721.3 1.00 2.07 6.7
4T T 102 1.0 1.199 156.8 LOS F 28.6 721.3 1.00 2.09 7.0
4R R 265 1.0 0.165 0.0 X X X X 0.33 32.1
Approach 831 1.0 1.199 113.0 LOS F 28.6 721.3 0.68 1.52 8.8
West: Hwy. 2
5L L 357 1.0 0.438 10.0 LOS B 2.7 68.1 0.72 0.88 23.7
2T T 2121 1.0 1.020 52.9 LOS D 34.8 876.2 1.00 1.86 14.2
2R R 314 1.0 0.196 0.0 X X X X 0.44 34.8
Approach 2792 1.0 1.020 41.5 LOS D 34.8 876.2 0.85 1.57 16.2
All Vehicles 6660 1.0 1.199 54.4 LOS D 34.8 876.2 0.87 1.50 13.8
X: Not applicable for Continuous movement.
Level of Service (LOS) Method: Delay (HCM 2000).
Roundabout LOS Method: Same as Signalised Intersections.
Vehicle movement LOS values are based on average delay per movement
Intersection and Approach LOS values are based on average delay for all vehicle movements.
Roundabout Capacity Model: SIDRA Standard.
HCM Delay Model used.
Processed: Thursday, July 14, 2011 4:52:01 PM Copyright © 2000-2011 Akcelik and Associates Pty Ltd
SIDRA INTERSECTION 5.1.3.1990
www.sidrasolutions.com
Project: P:\S\SPTR00000001\0600INFO\Traffic\April 2011-Final TIA\Sidra\Craig-Hwy.2\2032 Alt1-Buildout-Craig-
REV-7=14-11.sip
8000011, DAVID EVANS & ASSOCIATES INC, SINGLE