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Greening Roadway Infrastructure with Vetiver Grass to Support Transportation Resilience

1
Department of Urban and Regional Planning, University of Hawai’i at Mānoa, Honolulu, HI 96822, USA
2
Hawai’i Emergency Management Agency, Honolulu, HI 96816, USA
3
Department of Civil and Environmental Engineering, Jackson State University, Jackson, MS 39217, USA
*
Author to whom correspondence should be addressed.
Academic Editor: Daniel Dias
CivilEng 2022, 3(1), 147-164; https://doi.org/10.3390/civileng3010010
Received: 14 December 2021 / Revised: 11 February 2022 / Accepted: 21 February 2022 / Published: 25 February 2022
(This article belongs to the Special Issue Slope Stability Analyses and Remedial Measure of Failed Slopes)
With flooding and other weather events intensifying, more cost-effective erosion and flood control systems are needed. Vetiver (Chrysopogon zizanioides (L.) Roberty), is part of an arsenal of sustainable, low cost, and green infrastructure tools to reduce the risks of erosion, landslides, and flooding. This study investigates vetiver and its broader application to transportation planning. Based on a literature review and interviews with experts, vetiver as a green infrastructure tool is summarized. An evaluation framework was devised in which the plant’s effectiveness to stabilize hillsides and manage stormwater is investigated. This framework is applied to a recent highway flooding case where vetiver could have been used. While site-specific conditions and roadway requirements are critical to its effectiveness as a mitigation tool, additional pathways to understanding, acceptance, and use of vetiver to support transportation resilience requires convergence in engineering, design, and planning disciplines. Understanding barriers to the adoption of vetiver will also support efforts to increase other green infrastructure tools in transportation planning. Improvements in policies, standards, guidance and training and education on vetiver and green infrastructure will support the mitigation of transportation disruptions and community resilience. View Full-Text
Keywords: transportation planning; resilience; flooding; green infrastructure; vetiver transportation planning; resilience; flooding; green infrastructure; vetiver
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MDPI and ACS Style

Kim, K.; Riley, S.; Fischer, E.; Khan, S. Greening Roadway Infrastructure with Vetiver Grass to Support Transportation Resilience. CivilEng 2022, 3, 147-164. https://doi.org/10.3390/civileng3010010

AMA Style

Kim K, Riley S, Fischer E, Khan S. Greening Roadway Infrastructure with Vetiver Grass to Support Transportation Resilience. CivilEng. 2022; 3(1):147-164. https://doi.org/10.3390/civileng3010010

Chicago/Turabian Style

Kim, Karl, Sequoia Riley, Elizabeth Fischer, and Sadik Khan. 2022. "Greening Roadway Infrastructure with Vetiver Grass to Support Transportation Resilience" CivilEng 3, no. 1: 147-164. https://doi.org/10.3390/civileng3010010

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