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Published on: June 9, 2020
Impact of grade separator on pedestrian risk taking behavior
Mariya Khatoon1, Geetam Tiwari, Niladri Chatterjee
1Department of Mathematics, IIT Delhi, India. mirza.mariya@gmail.com
Accident; Analysis and Prevention
|August 4, 2012
Summary
Pedestrian safety in Delhi is compromised by infrastructure prioritizing vehicles over people. Grade separators increase risks, leading to impatient crossing behavior and higher accident potential for pedestrians.
Area of Science:
- Urban Planning
- Transportation Engineering
- Traffic Safety
Background:
- Delhi's urban transport infrastructure often neglects pedestrian needs, favoring motorized vehicle flow.
- Construction of grade separators, while aiding vehicle movement, exacerbates pedestrian risks.
- Existing infrastructure fails to adequately address pedestrian safety concerns.
Purpose of the Study:
- To statistically analyze pedestrian risk-taking behavior before and after grade separator construction in Delhi.
- To identify factors influencing pedestrian road crossing decisions.
- To evaluate the impact of infrastructure changes on pedestrian safety.
Main Methods:
- Statistical analysis of pedestrian road crossing behavior.
- Observation and data collection before and after grade separator construction.
- Logistic regression modeling to determine factors influencing crossing probability.
Main Results:
- Pedestrians exhibit significant risk-taking behavior in both pre- and post-construction scenarios.
- Grade separators lead to increased vehicle speed variability and pedestrian waiting times.
- Pedestrian impatience increases, leading to acceptance of smaller gaps after waiting.
- Post-construction, factors beyond gap size (sex, age, group type) significantly influence crossing probability.
Conclusions:
- Grade separators negatively impact pedestrian safety by altering crossing behavior and increasing risk.
- Urban planning must integrate pedestrian needs to mitigate risks associated with vehicle-centric infrastructure.
- Further research is needed to develop safer pedestrian crossing strategies in urban environments.
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