Table 1 Summary and outlook of five research opportunities

From: The landscape, trends, challenges, and opportunities of sustainable mobility and transport

 

Post-pandemic travel behaviour

X-minute accessibility

Resilient transport network

Demand responsive transport

Emerging mobility technologies

Research topics

Analyze and compare changes in travel patterns

Optimize infrastructure layout to improve service accessibility

Assess, plan, and optimize network resilience

Demand modeling, matching and route planning for DRT travel

Willingness survey, impact analysis, technology optimization, and travel management

Mainstream methods

Discrete choice models, statistical analysis, machine learning algorithms, etc.

Simulation tools, reinforcement learning, etc.

Indicator-based factor analysis, graph theory, simulation analysis, etc.

Deep learning, operational research algorithms, gaming theory, etc.

Travel survey, traffic simulation, reinforcement learning, etc.

Limitations

Hard to analyze the unified scaling law under the influence of multiple factors

Failure to integrate people’s travel preferences, prone to causing urban segregation issues

Failure to consider social factors and the compounded effects of multiple disasters

Low accessibility, service quality, and personalization

Low user credibility; inherent limitations of all technologies

Opportunities

Influence factor analysis, mechanism analysis, scenario migration, and optimizing freight efficiency

Accessibility and segregation balance modeling; active-mobility; integrating innovative technologies

Collaborative optimization of cross-city transport network resilience, and integrating emerging technologies

Diversified fleet management, and improve service flexibility and reliability at special times, areas, and groups

Human-machine interaction mechanism, air traffic management and related technology development