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How the Roadway Pavement Roughness Impacts Vehicle Emissions? | OMICS International | Abstract
ISSN: 2573-458X

Environment Pollution and Climate Change
Open Access

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Short Communication

How the Roadway Pavement Roughness Impacts Vehicle Emissions?

Fengxiang Qiao, Qing Li* and Lei Yu

Innovative Transportation Research Institute, Texas Southern University, Houston, Texas, 77004, USA

Corresponding Author:
Qing Li
Post-doctoral Fellow
Innovative Transportation Research Institute
Texas Southern University
3100 Cleburne Street, Houston, Texas, 77004
Tel: 713-313-7532
E-mail: [email protected]

Received date: July 14, 2017; Accepted date: July 21, 2017; Published date: July 26, 2017

Citation: Qiao F, Li Q, Yu L (2017) How the Roadway Pavement Roughness Impacts Vehicle Emissions? Environ Pollut Climate Change 1:134. 10.4172/2573- 458X.1000134

Copyright: © 2017 Qiao F, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

Abstract

Understanding the environmental impacts of roadway management strategies is essential not only to the estimation of construction cost, but also the protection of the environment and the conservation of the global ecological system. Vehicle speed and fuel consumptions may vary with driving conditions. Vehicle emissions can be estimated based on the speed, acceleration rate, and Vehicle Specific Power (VSP), which could normally be listed in an Operating Mode Identification (OMID) table. The relationships between pavement roughness (indicated by International Roughness Index or IRI) and speed/fuel consumption could be reflected by linear models, while the IRI is nonlinearly correlated to the emissions. It is recommended further identifying the relationships between IRI and emissions with more on-road tests for all types of vehicles on different types of roadway systems, so as to minimize the environmental, ecological, and even public health impacts through proper roadway management strategies.

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