Related Experiment Video
Updated: Jun 28, 2025
14:55
Evaluating the Effect of Roadside Parking on a Dual-Direction Urban Street
Published on: January 20, 2023
3.3K
Public Transport Operations After Lockdown: How to Make It Happen?
Hemant K Suman1, Amit Agarwal2, Nomesh B Bolia3
1Department of Transport Engineering and Logistics, Pontificia Universidad Catòlica de Chile, Santiago, Chile.
Transactions of the Indian National Academy of Engineering : an International Journal of Engineering and Technology
|April 16, 2024
Summary
Public transport bus services face challenges due to physical distancing. This study develops models to optimize bus fleet reallocation, ensuring service continuity and improved performance even with reduced capacity.
Area of Science:
- Transportation Science
- Operations Research
- Public Health
Background:
- Global lockdowns due to Coronavirus disease (COVID-19) introduced severe travel restrictions.
- Physical distancing requirements fundamentally alter public transport operations and travel behavior.
- A significant gap between public transport demand and supply is anticipated due to these changes.
Purpose of the Study:
- To analyze the impact of physical distancing on public transport supply and demand.
- To develop system optimization models for efficient bus fleet reallocation.
- To address the challenge of maintaining public bus services under new operational constraints.
Main Methods:
- Development of system optimization models for bus fleet reallocation.
- Application of models to a real-world network of 34 bus routes in Delhi.
- Analysis of three scenarios: current, practical, and ideal, considering varying physical distancing levels and travel demand.
Main Results:
- The Business-as-Usual (BAU) scenario demonstrates the impossibility of maintaining public bus services with current allocation methods under physical distancing.
- Proposed optimization models enable efficient reallocation of bus fleets, including idle fleets, to routes.
- Significant improvements in key performance indicators were observed across all analyzed scenarios.
Conclusions:
- Current public transport allocation strategies are inadequate for post-pandemic operational requirements.
- System optimization models offer a viable solution for adapting bus services to physical distancing mandates.
- Efficient fleet management is crucial for ensuring the continuity and performance of public transportation.
Related Concept Videos
01:41Social Traps
22.3K
Social traps are negative situations where people get caught in a direction or relationship that later proves to be unpleasant, with no easy way to back out of or avoid. The concept was orignally introduced by John Platt who applied psychology to Garrett Hardin's "Tragedy of the Commons", where in New England herd owners could let their cattle graze in the common ground. This situation seems like a good idea, but an individual could have an advantage. If they owned...
22.3K
01:27Coping Strategies: Problem Focused
70
Coping strategies are methods people use to manage, tolerate, or reduce the effects of stressors. These strategies involve both behavioral and psychological actions to handle stressful situations. One common approach is problem-focused coping, which aims to change or eliminate the source of stress rather than merely addressing its consequences. This method involves taking direct action to resolve the issue causing stress.
For example, consider a student who struggles to understand their...
For example, consider a student who struggles to understand their...
70
01:17Transmission-based Precautions I: Contact, Enteric, and Droplets
3.6K
Transmission-based precautions are for patients known to be infected or suspected to be infected or colonized with organisms that pose a significant risk to others. Some transmission-based precautions include contact, enteric, and droplet.
Contact Precautions:
Contact precautions are the measures taken to prevent the transmission of infectious agents, especially epidemiologically important microorganisms such as MRSA or influenza, primarily transmitted through direct or indirect contact with an...
Contact Precautions:
Contact precautions are the measures taken to prevent the transmission of infectious agents, especially epidemiologically important microorganisms such as MRSA or influenza, primarily transmitted through direct or indirect contact with an...
3.6K
01:31Discharge Summary Forms
753
The discharge summary is crucial as it enables a smooth transition from a healthcare facility to a patient's home or another care setting. This critical document facilitates seamless continuity of care, ensuring patients receive the necessary support and attention.
Here's a detailed look at the key components and guidelines for preparing a discharge summary:
Here's a detailed look at the key components and guidelines for preparing a discharge summary:
753
01:18Steps in Outbreak Investigation
125
In the ever-evolving field of public health, statistical analysis serves as a cornerstone for understanding and managing disease outbreaks. By leveraging various statistical tools, health professionals can predict potential outbreaks, analyze ongoing situations, and devise effective responses to mitigate impact. For that to happen, there are a few possible stages of the analysis:
125
02:07Conservation of Declining Populations
9.6K
Conservation of declining population focuses on ways of detecting, diagnosing, and halting a population decline. The approach uses methods to prevent populations from going extinct.
9.6K