DESIGN TOOLKIT FOR TRANSFORMING URBAN HONOLULU H-1 UNDERSPACES

Date
2021
Authors
Domingo, Janica
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Llewellyn, Clark
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Architecture
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Abstract
Rapid urbanization in Hawaiʻi led to flyovers and elevated roads to respond to the growing traffic. However, the development of elevated roads leaves an awkward space underneath them. The space underneath the elevated road has numerous untapped potentials and is often overlooked and underutilized because of its impact on the urban setting. Neglected spaces under the elevated roads are often seen as blight and unsafe, hence physically and visually disconnecting the neighborhood's spatial quality.The purpose of this project is to identify critical factors to be considered in the utilization of underspaces. In this research, the term ‘Underspace’ is an umbrella term used to define the space created underneath the traffic infrastructure, most commonly the spaces under the elevated roads. The methodology started by exploring different theories formed by urban designers concerning the quality and usage of public spaces in an urban setting. Next is the study of different design strategies promoting pedestrian-friendly and human-centered design. Lastly, investigating the comprehensive data by identifying and documenting different types of underspaces, emphasizing spaces existing under the H1 Interstate in Urban Honolulu. This research aims to develop a design strategy that improves the perpendicular connectivity to both sides of the underspace and activate and acknowledge each unique space to be functional, attractive, and interactive to motivate people to stay and use the space. Ultimately, develop a design toolkit that can be used as a guideline for transforming the H1 underspaces and eventually be adopted by the city and planning authorities further to improve the development of Hawaiʻi's urban fabric.
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Architecture, Design Toolkit, Elevated Roads, Leftover Spaces, Under the Highway, Urban Design
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115 pages
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