1. Introduction
  1.1 Background
  1.2 Objectives
  1.3 Scope and Limitations

2. Literature Review
  2.1 Urban transportation challenges and trends
  2.2 Sustainable transportation planning principles
  2.3 Case studies of successful sustainable transportation systems

3. Methodology
  3.1 Research approach
  3.2 Data collection and analysis methods
  3.3 Design principles and considerations

4. Infrastructure Design for Sustainable Transportation
  4.1 Road network planning and design
  4.2 Public transportation infrastructure
  4.3 Non-motorized transportation infrastructure

5. Multimodal Connectivity and Integration
  5.1 Intermodal transportation hubs
  5.2 Integration of different transportation modes
  5.3 Seamless and efficient transfer options