Poster: Examining the Transit-oriented Development in City of Portland based on the 5D-Model

The benefits of transit-oriented development have been identified in many aspects by a lot of planning-related studies - more sustainability; more efficient use of land, energy and resources; less oil and gas consumption and clean air; minimizing traffic increases; walkability and healthier lifestyles; reducing transportation expenditures; opportunities to build mixed-income housing and others.

In this case study, transit-oriented development areas in City of Portland are identified to conduct analysis. A 5D-Model is introduced to examine the transit-oriented development in City of Portland. The 5D model of built environment includes different characteristics of urban areas influencing travel mode choice into 5 categories  – Density, Diversity, Design, Destination, and Distance. GIS data are collected to visualize the detailed spatial performance of TOD in Portland for different dimensions.

This study provides implications for future development of TOD not just in City of Portland, but also in any other communities willing to carry out transit-oriented development.