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Sub-problem 1c - Page 4 of 9

ID# C101C04

Sub-problem 1c: Analysis of Future Conditions

The results of the HCM analysis for the two types of intersection control under future traffic flow conditions for the intersection of U.S. 95/Styner-Lauder Avenue are shown in the following tables.
 

Exhibit 1-12. U.S. 95/Styner-Lauder Avenue (Dataset3)
Delay, Queue Length, and Level of Service - Projected Ten Year Volumes (Unsignalized control)

Approach

NB

SB

Westbound

Eastbound

Lane configuration

L

L

L

TR

L

TR

v (vph)

38

72

67

250

61

189

c (vph)

923

1,078

84

267

53

246

v/c

0.04

0.07

0.80

0.94

1.15

0.77

95% queue length

0.13

0.21

4.06

8.68

5.31

5.58

Control delay

9.1

8.6

134.4

80.9

297.5

55.7

LOS

A

A

F

F

F

F

Approach delay

--

--

92.2

114.7

Approach LOS

--

--

F

F

 

Exhibit 1-13. U.S. 95/Styner-Lauder Avenue (Dataset4)
Lane Group Capacity, Control Delay, and LOS Determination - Ten Year Volume Forecast (Signal control)

Approach EB WB NB SB
Movement LT TH/RT LT TH/RT LT TH/RT LT TH/RT
Adj flow rate 61 189 67 250 38 496 72 679
Lane group capacity 222 438 295 432 421 2,067 521 2,012
v/c ratio 0.27 0.43 0.23 0.58 0.09 0.24 0.14 0.34
95% queue length 2.0 5.8 2.2 7.6 0.7 4.8 1.4 6.6
Green ratio 0.25 0.25 0.25 0.25 0.58 0.58 0.58 0.58
Control delay 21.2 22.0 19.7 25.3 5.9 6.3 6.2 6.9
Lane group LOS C C B C A A A A
Approach delay 21.6 24.1 6.3 6.9
Approach LOS C C A A
Intersection delay 11.6 Intersection LOS B
Crtical v/c ratio 0.34

Discussion:
Take a few minutes to review the results on this page and the previous page, and compare them with the result for the existing traffic flows.  What can we learn from these results? Click on continue to proceed to the discussion on the next page.

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