Appendix D Traffic Impact Analysis - westplainseis.com

MOVEMENT SUMMARY
West RB
2032 Alt.3
Roundabout
Site: Access W-2032 Alt.3
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: 21 st
3L L 11 1.0 0.662 43.1 LOS D 4.0 99.8 0.95 1.12 17.6
8TT 368 1.0 0.662 37.3 LOS D 5.0 125.1 0.98 1.12 16.7
8R R 11 1.0 0.032 11.6 LOS B 0.2 4.9 0.94 0.84 25.0
Approach 389 1.0 0.662 36.8 LOS D 5.0 125.1 0.98 1.11 16.9
East: US 2
1L L 11 1.0 0.935 35.2 LOS D 15.6 393.5 1.00 1.26 17.5
6TT 1962 1.0 0.935 34.1 LOS C 16.0 404.3 1.00 1.24 20.0
6R R 131 1.0 0.081 0.0 X X X X 0.35 32.0
Approach 2103 1.0 0.935 32.0 LOS C 16.0 404.3 0.94 1.18 20.4
North: Access PL (West)
7L L 56 1.0 0.120 9.4 LOS A 0.8 19.2 0.94 0.93 22.3
4TT 474 1.0 0.965 61.4 LOS E 15.0 377.9 1.00 1.66 12.4
4R R 184 1.0 0.374 13.5 LOS B 2.7 67.0 1.00 1.02 24.4
Approach 714 1.0 0.965 45.0 LOS D 15.0 377.9 0.99 1.44 15.2
West: US 2
5L L 98 1.0 0.111 5.1 LOS A 0.5 12.1 0.51 0.77 30.3
2TT 2153 1.0 0.939 33.0 LOS C 18.8 474.0 1.00 1.16 20.5
2R R 11 1.0 0.008 3.0 LOS A 0.0 1.1 0.51 0.55 36.6
Approach 2261 1.0 0.939 31.6 LOS C 18.8 474.0 0.98 1.14 20.9
All Vehicles 5467 1.0 0.965 33.9 LOS C 18.8 474.0 0.96 1.19 19.4
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 10:35:03 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