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Sub-problem 1c - Page 3 of 5 |
ID# C501C02 |
Sub-problem 1c:
Analysis of the Signal with Pedestrians and Bicycles
Step 2: Results
Under the presumption that the pedestrian crossings on the
western and northern legs of the intersection are closed, then the HCM
signalized intersection analysis procedure yields the results shown in
Exhibit 5-19.
|
Exhibit 5-19.
Improved Museum at Reitz considering Consolidated Pedestrian Flows |
|
|
EB |
WB |
NB |
SB |
|
L |
T |
R |
L |
T |
R |
L |
T |
R |
L |
T |
R |
|
Queue 4 Crossings |
64.1 |
29.7 |
29.7 |
0 |
40.4 |
40.4 |
1.0 |
0 |
1.0 |
12.5 |
0 |
64.3 |
|
Queue 2 Crossings |
62.4 |
29.7 |
29.7 |
0 |
38.2 |
38.2 |
1.1 |
0 |
1.1 |
16.8 |
0 |
35.4 |
|
Delay 4 Crossings |
584.6 |
17.8 |
17.8 |
0 |
24.6 |
24.6 |
27.3 |
0 |
27.3 |
35.5 |
0 |
311.4 |
|
Delay 2 Crossings |
532.5 |
17.8 |
17.8 |
0 |
22.0 |
22.0 |
27.3 |
0 |
27.3 |
77.0 |
0 |
64.9 |
|
LOS 4 Crossings |
F |
B |
B |
- |
C |
C |
C |
- |
C |
D |
- |
E |
|
LOS 2 Crossings |
F |
B |
B |
- |
C |
C |
C |
- |
C |
E |
- |
E |
|
Intersection 4 Crossings |
Delay |
162.3 |
LOS |
F |
|
Intersection 2 Crossings |
Delay |
110.0 |
LOS |
F |
These results show
that closing the crosswalks on the western and northern legs of the
intersection
improves the right-turn movement operations for two approaches and
increases the delay for those where the pedestrians and bicycles are
consolidated. This is reasonable, and confirms what we would have expected. These benefits come from the adjustments to the right-turn
movement saturation flow rates. It appears that the benefit to the eastbound
and southbound approaches outweighs delay added to the westbound and
northbound approaches. This was expected (and by design), since the major
right-turn traffic is eastbound and southbound.
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