An Initial Investigation of the Effects of a Fully Automated Vehicle Fleet on Geometric Design

This paper investigates the potential changes in the geometric design elements in response to a fully autonomous vehicle fleet. When autonomous vehicles completely replace conventional vehicles, the human driver will no longer be a concern. Currently, and for safety reasons, the human driver plays a...

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Main Authors: John Khoury, Kamar Amine, Rima Abi Saad
Format: Article
Language:English
Published: Hindawi-Wiley 2019-01-01
Series:Journal of Advanced Transportation
Online Access:http://dx.doi.org/10.1155/2019/6126408
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spelling doaj-a6390bd4f96a4445bfa8e4e505c455f02020-11-25T01:08:09ZengHindawi-WileyJournal of Advanced Transportation0197-67292042-31952019-01-01201910.1155/2019/61264086126408An Initial Investigation of the Effects of a Fully Automated Vehicle Fleet on Geometric DesignJohn Khoury0Kamar Amine1Rima Abi Saad2Department of Civil Engineering, Lebanese American University, PO Box #36, Byblos, LebanonDepartment of Civil Engineering, Lebanese American University, PO Box #36, Byblos, LebanonDepartment of Civil Engineering, NJIT, NJ, USAThis paper investigates the potential changes in the geometric design elements in response to a fully autonomous vehicle fleet. When autonomous vehicles completely replace conventional vehicles, the human driver will no longer be a concern. Currently, and for safety reasons, the human driver plays an inherent role in designing highway elements, which depend on the driver’s perception-reaction time, driver’s eye height, and other driver related parameters. This study focuses on the geometric design elements that will directly be affected by the replacement of the human driver with fully autonomous vehicles. Stopping sight distance, decision sight distance, and length of sag and crest vertical curves are geometric design elements directly affected by the projected change. Revised values for these design elements are presented and their effects are quantified using a real-life scenario. An existing roadway designed using current AASHTO standards has been redesigned with the revised values. Compared with the existing design, the proposed design shows significant economic and environmental improvements, given the elimination of the human driver.http://dx.doi.org/10.1155/2019/6126408
collection DOAJ
language English
format Article
sources DOAJ
author John Khoury
Kamar Amine
Rima Abi Saad
spellingShingle John Khoury
Kamar Amine
Rima Abi Saad
An Initial Investigation of the Effects of a Fully Automated Vehicle Fleet on Geometric Design
Journal of Advanced Transportation
author_facet John Khoury
Kamar Amine
Rima Abi Saad
author_sort John Khoury
title An Initial Investigation of the Effects of a Fully Automated Vehicle Fleet on Geometric Design
title_short An Initial Investigation of the Effects of a Fully Automated Vehicle Fleet on Geometric Design
title_full An Initial Investigation of the Effects of a Fully Automated Vehicle Fleet on Geometric Design
title_fullStr An Initial Investigation of the Effects of a Fully Automated Vehicle Fleet on Geometric Design
title_full_unstemmed An Initial Investigation of the Effects of a Fully Automated Vehicle Fleet on Geometric Design
title_sort initial investigation of the effects of a fully automated vehicle fleet on geometric design
publisher Hindawi-Wiley
series Journal of Advanced Transportation
issn 0197-6729
2042-3195
publishDate 2019-01-01
description This paper investigates the potential changes in the geometric design elements in response to a fully autonomous vehicle fleet. When autonomous vehicles completely replace conventional vehicles, the human driver will no longer be a concern. Currently, and for safety reasons, the human driver plays an inherent role in designing highway elements, which depend on the driver’s perception-reaction time, driver’s eye height, and other driver related parameters. This study focuses on the geometric design elements that will directly be affected by the replacement of the human driver with fully autonomous vehicles. Stopping sight distance, decision sight distance, and length of sag and crest vertical curves are geometric design elements directly affected by the projected change. Revised values for these design elements are presented and their effects are quantified using a real-life scenario. An existing roadway designed using current AASHTO standards has been redesigned with the revised values. Compared with the existing design, the proposed design shows significant economic and environmental improvements, given the elimination of the human driver.
url http://dx.doi.org/10.1155/2019/6126408
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