Appendix D Traffic Impact Analysis - westplainseis.com

MOVEMENT SUMMARY
West RB
2032 Alt.1
Roundabout
Site: Access W-2032 Alt.1
Movement Performance - Vehicles
Mov IDTurn
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: 21 st
3L L 11 1.0 0.803 69.6 LOS E 5.6 139.9 0.98 1.23 13.9
8T T 368 1.0 0.803 61.0 LOS E 7.3 183.9 0.99 1.26 12.7
8R R 11 1.0 0.039 14.1 LOS B 0.2 6.2 0.98 0.87 23.9
Approach 389 1.0 0.803 60.0 LOS E 7.3 183.9 0.99 1.25 12.9
East: US 2
1L L 11 1.0 1.077 71.6 LOS E 42.2 1063.8 1.00 2.29 12.2
6T T 2219 1.0 1.077 70.4 LOS E 45.3 1142.3 1.00 2.31 13.8
6R R 265 1.0 0.165 0.0 X X X X 0.35 32.0
Approach 2495 1.0 1.077 62.9 LOS E 45.3 1142.3 0.89 2.10 14.5
North: Access PL (West)
7L L 137 1.0 0.328 14.4 LOS B 2.1 53.5 0.97 1.00 20.8
4T T 474 1.0 1.039 83.1 LOS F 21.5 542.5 1.00 1.99 10.3
4R R 243 1.0 0.532 19.1 LOS B 4.2 106.2 1.00 1.09 22.5
Approach 854 1.0 1.039 53.9 LOS D 21.5 542.5 1.00 1.57 13.9
West: US 2
5L L 139 1.0 0.159 5.7 LOS A 0.7 17.5 0.54 0.80 30.0
2T T 2222 1.0 0.991 43.9 LOS D25.8 650.0 1.00 1.37 17.5
2R R 11 1.0 0.008 2.9 LOS A 0.0 1.1 0.49 0.55 36.7
Approach 2372 1.0 0.991 41.5 LOS D 25.8 650.0 0.97 1.34 18.0
All Vehicles 6109 1.0 1.077 53.2 LOS D45.3 1142.3 0.94 1.68 15.4
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: Wednesday, July 13, 2011 10:31:06 AM 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\7-12-11\Hwy.2-West Roundabout
\US2_Access_3Rbs.sip
8000011, DAVID EVANS & ASSOCIATES INC, SINGLE