GOBI – Green and Optimized Behavior Interface: Digital Twin for Hanoi Urban Transport

Introduction

GOBI is a user-centered digital twin platform designed for Hanoi’s urban traffic and environmental planning. It simulates transportation networks, visualizes congestion and pollution, and enables scenario testing for policy interventions. Developed to inform behavior-based commuting decisions and promote sustainable transport, GOBI supports citizens and policymakers alike in optimizing urban mobility with a strong environmental focus.

Time

Active (Launched 2024, in pilot phase)

Project Facts

  • Duration 2024 – Present
  • Field sites Hanoi Capital Region
  • Principal investigator Assoc. Prof. Dr. Nguyen Ngoc Doanh

Objectives

  • Simulate multi-scale urban transportation and air quality scenarios
  • Enable citizens to make informed travel choices based on health, cost, and time
  • Support municipal planners in forecasting the impacts of traffic interventions
  • Promote behavior change and low-emission commuting through transparent data

Focus areas

  • Real-Time Urban Mobility: Map traffic flow and congestion at city, district, and street levels with live updates.
  • Air Pollution Exposure Modeling: Visualize CO₂ emissions, noise, and fine particulate exposure across different routes.
  • Health-Conscious Trip Planning: Allow users to prioritize personal exposure (pollution, noise) in route choices.
  • Policy Simulation and Green Transition: Test policy scenarios like road closures, electric fleet expansion, or lane changes before real implementation.

Methodology

  • Multi-Layered Digital Twin Engine: Combines GIS, traffic sensors, and air quality data for city-wide visualization.
  • Three Route Optimization Criteria:
    • Time: Fastest options ranked first
    • Cost: Most affordable transport modes ranked first
    • Health: Routes ranked by exposure to pollution or user-generated emissions
  • Real-time dashboards
  • AI-Based Traffic & Emission Simulation:
  • Model user-specific trips and calculate pollution impact, and adjust simulations with weather and time-of-day effects

Results

  • Encourage eco-conscious and health-aware daily travel choices in Hanoi.
  • Provide city departments with simulation tools to evaluate policies in silico before implementation.
  • Improve understanding of how transportation contributes to personal and environmental health.

Partners & stakeholders

Target Users:

  • Hanoi’s Department of Transport
  • Public and private commuters
  • Environmental and health researchers
  • School communities and youth outreach programs

References

https://dt-vin.netlify.app/

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List of Students

The course connects global students and professionals to share experiences and build a resilience network.

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