1. Road User Behavior
“Experiential” instruction homework assignment:
Find a major intersection within a reasonable distance from your home. This intersection must allow left turns, with left turn advance traffic lights. Traffic islands are not significant to the research. Review the following and keep notes to answer the questions.
Here are the questions:
a.) What are the sequences of traffic light durations? (ex: how long is the light amber before it turns red?)
b.) What is the duration of the four (4) way red before the green light?
c.) What is the purpose of this sequencing?
d.) Similarly what are the sequences of the left turn arrow lights?
e.) Are there amber left turn arrow lights?
f.) How many drivers run yellow lights?
g.) How many drivers run red lights?
h.) How many drivers make improper right turns on a protected left turn?
i.) Armed with the knowledge of your observation how would you deal with this intersection while making a left turn?
j.) Rethink and rewrite your answer! Have you forgotten the pedestrian traffic?
k.) What types of pedestrian lights are used at the intersection? Pictograph walking figure with a hand in stop position or a countdown crossing timer?
l.) What are the advantages or disadvantages of each type?
m.) Do you know what is a scrambled intersection? (This is one where all vehicular traffic stops and pedestrians may crisscross in any direction at the intersection.)
n.) Would this intersection benefit from one? Remember to look for pedestrians!
o.) How many pedestrians disobey the traffic lights?
p.) Armed with the knowledge of your observation how would you deal with pedestrians that disregard the stop crossing light?
All major intersections have various other signs offering information to road users.
q.) What are these signs? List them all.
r.) Are they easy or difficult to recognize? Is the intersection “sign busy” making observation distracting?
s.) With the knowledge of your observation how would you deal with the information presented to you?
t.) Are the buildings and businesses on the four corners distracting?
Time: 2 Hours
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