Optimal Corridor Selection for a Road Space Management Strategy: Methodology and Tool

Nationwide, there is a growing realization that there are valuable benefits to using the existing roadway facilities to their full potential rather than expanding capacity in a traditional way. Currently, state DOTs are looking for cost-effective transportation solutions to mitigate the growing cong...

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Main Author: Sushant Sharma
Format: Article
Language:English
Published: Wiley 2017-01-01
Series:Journal of Advanced Transportation
Online Access:http://dx.doi.org/10.1155/2017/6354690
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author Sushant Sharma
author_facet Sushant Sharma
author_sort Sushant Sharma
collection DOAJ
description Nationwide, there is a growing realization that there are valuable benefits to using the existing roadway facilities to their full potential rather than expanding capacity in a traditional way. Currently, state DOTs are looking for cost-effective transportation solutions to mitigate the growing congestion and increasing funding gaps. Innovative road space management strategies like narrowing of multiple lanes (three or more) and shoulder width to add a lane enhance the utilization while eliminating the costs associated with constructing new lanes. Although this strategy (among many) generally leads to better mobility, identifying optimal corridors is a challenge and may affect the benefits. Further, there is a likelihood that added capacity may provide localized benefits, at the expense of system level performance measures (travel time and crashes) because of the relocation of traffic operational bottlenecks. This paper develops a novel transportation programming and investment decision method to identify optimal corridors for adding capacity in the network by leveraging lane widths. The methodology explicitly takes into consideration the system level benefits and safety. The programming compares two conflicting objectives of system travel time and safety benefits to find an optimal solution.
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spelling doaj-art-41c6076ca6054b439c1663a2062d36ee2025-02-03T01:23:25ZengWileyJournal of Advanced Transportation0197-67292042-31952017-01-01201710.1155/2017/63546906354690Optimal Corridor Selection for a Road Space Management Strategy: Methodology and ToolSushant Sharma0Texas A&M Transportation Institute, 110 N Davis Drive, Suite 106, Arlington, TX 76013, USANationwide, there is a growing realization that there are valuable benefits to using the existing roadway facilities to their full potential rather than expanding capacity in a traditional way. Currently, state DOTs are looking for cost-effective transportation solutions to mitigate the growing congestion and increasing funding gaps. Innovative road space management strategies like narrowing of multiple lanes (three or more) and shoulder width to add a lane enhance the utilization while eliminating the costs associated with constructing new lanes. Although this strategy (among many) generally leads to better mobility, identifying optimal corridors is a challenge and may affect the benefits. Further, there is a likelihood that added capacity may provide localized benefits, at the expense of system level performance measures (travel time and crashes) because of the relocation of traffic operational bottlenecks. This paper develops a novel transportation programming and investment decision method to identify optimal corridors for adding capacity in the network by leveraging lane widths. The methodology explicitly takes into consideration the system level benefits and safety. The programming compares two conflicting objectives of system travel time and safety benefits to find an optimal solution.http://dx.doi.org/10.1155/2017/6354690
spellingShingle Sushant Sharma
Optimal Corridor Selection for a Road Space Management Strategy: Methodology and Tool
Journal of Advanced Transportation
title Optimal Corridor Selection for a Road Space Management Strategy: Methodology and Tool
title_full Optimal Corridor Selection for a Road Space Management Strategy: Methodology and Tool
title_fullStr Optimal Corridor Selection for a Road Space Management Strategy: Methodology and Tool
title_full_unstemmed Optimal Corridor Selection for a Road Space Management Strategy: Methodology and Tool
title_short Optimal Corridor Selection for a Road Space Management Strategy: Methodology and Tool
title_sort optimal corridor selection for a road space management strategy methodology and tool
url http://dx.doi.org/10.1155/2017/6354690
work_keys_str_mv AT sushantsharma optimalcorridorselectionforaroadspacemanagementstrategymethodologyandtool