Appendix D Traffic Impact Analysis - westplainseis.com

6.1.5 ALTERNATIVE 2 – 2012 Buildout
The traffic volumes included for this analysis include 2012 background traffic volumes plus project
Buildout related traffic. The volumes used for this analysis scenario are shown on Figure 18. A
summary of the LOS results are shown below in Table 17.
Table 17. Level of Service for 2012 with Project PM Peak Hour Conditions-Alternative 2
INTERSECTION
(S) Signalized
(U) Unsignalized
(R) Roundabout
Critical
Movement By
Approach
Peak hour Level of Service (LOS)
PM Peak Hour
Delay
Hwy. 2 / Craig Rd. U NB LTR * F
Hwy. 2 / Lundstrom St. U NB LTR 46.3 E
Hwy. 2 / Lawson St. S -- 18.8 B
Hwy. 2 / Garfield St. S -- 19.3 B
Hwy. 2 / Hayford Rd. S -- 59.8 E
Craig Rd. / Deno Rd. U WB LTR 10.7 B
Craig Rd. / McFarlane St. U WB LTR 15.7 C
Craig Rd. / Thorpe Rd. East U SB LR 11.3 B
Craig Rd. / Thorpe Rd. West U NB LR 10.1 B
Craig Rd. / SR 902 U SB LTR 421.4 F
Hwy. 2 / Fairchild AFB S -- 19.0 B
Craig Rd. / 6 th Ave. U WB Lt 12.0 B
Hwy 2 / Driveway West U SB Rt 16.1 C
Hwy 2 / Driveway Middle U SB Lt * F
Hwy 2 / Driveway East U SB Rt 16.4 C
Craig Rd. / Driveway North U EB Lt 12.8 B
Craig Rd. / Driveway Middle U EB Lt 11.9 B
Craig Rd. / Driveway South U EB Lt 14.9 B
* Excessive Delay
The Hwy 2 / Craig Rd., Hwy 2 / Hayford, Craig Rd. / SR 902 and Hwy 2 / Middle Dwy., intersections
are anticipated to experience a failing LOS. Mitigation for these locations is identified in the mitigation
subsection at the end of the Alternative 2 section.
LOS
West Plains Development – Spokane Tribe Page | 67
Traffic Impact Analysis April 28, 2011