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.
[ Back ] [ Continue
] with Sub-Problem 1c