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Sub-problem 1a - Page 2 of 4
Sub-problem 1a:
Analysis of the
Existing TWSC Intersection
Step 2. Results
What is the data that is needed for this analysis?
We can set up this
analysis by compiling data on the existing conditions for use in a standard
HCM application using the procedures in Chapter 17 for Unsignalized
Intersections. The Two-Way Stop-Control (TWSC) methodology requires typical
data, such as:
-
peak-hour
turning movement volumes
-
peak-hour
factors
-
pedestrian
volumes and walking speeds
-
lane
numbers, widths, and usage
-
right-turn flares or channelization
-
approach
grades
-
heavy
vehicle data
The volume data
for this analysis are shown below in Table 1.
Table 1. Museum Road/Reitz Union
Existing Weekday PM Peak Hour Intersection Volumes
|
|
Eastbound |
Westbound |
Northbound |
Southbound |
|
Movement |
L |
T |
R |
Ped |
L |
T |
R |
Ped |
L |
T |
R |
Ped |
L |
T |
R |
Ped |
|
Volume |
111 |
650 |
2 |
250 |
0 |
580 |
52 |
250 |
12 |
0 |
8 |
150 |
60 |
0 |
144 |
250 |
| |
|
Table 2. Museum Road/Reitz Union Future
Weekday PM Peak Hour Intersection Volumes
|
|
|
Eastbound |
Westbound |
Northbound |
Southbound |
|
Movement |
L |
T |
R |
Ped |
L |
T |
R |
Ped |
L |
T |
R |
Ped |
L |
T |
R |
Ped |
|
Volume |
379 |
670 |
2 |
250 |
0 |
597 |
178 |
250 |
12 |
0 |
8 |
150 |
204 |
0 |
484 |
250 |
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