Official US Government Icon

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure Site Icon

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

The latest general information on the Coronavirus Disease 2019 (COVID-19) is available on Coronavirus.gov. For USDOT specific COVID-19 resources, please visit our page.

United States Department of Transportation United States Department of Transportation
OFFICE OF RESEARCH, DEVELOPMENT, AND TECHNOLOGY AT THE TURNER-FAIRBANK HIGHWAY RESEARCH CENTER

Advanced Freeway Merge Assistance: Harnessing the Potential of Connected Vehicles

Project Information

Project ID:
FHWA-PROJ-09-0066
Project Abstract:

This project will investigate advanced freeway merge assistance strategies that can potentially be enabled by harnessing the potential of connected vehicle communication technologies. Strategies will be developed and assessed using simulation models of traffic and communication systems that provide measures of mobility and safety impacts.

Goals

The strategies to be developed and evaluated will include:

(1) Dynamic Lane Control: Connected vehicle technology will be used to identify available capacity in lanes to the left of the mainline merge lane and then encourage vehicles in the merge lane to shift, creating additional merge capacity. The ability of connected vehicles to provide rich monitoring data and to pinpoint vehicle advisories and lane specific speed/pricing will be used.

(2) Gaps, Responsive Metering: Using high-resolution individual vehicle trajectory data from connected vehicles, the system will be able to institute aggressive dynamic metering rates to take advantage of gaps for merging traffic.

(3) Merge Control: Finally, as vehicles attempt to merge into traffic, vehicle-to-vehicle communications will be utilized to provide cooperative merging. In essence, this will provide a high-tech, late merge approach that has proven successful in work zones. The capabilities of connected vehicles will allow for merging in smaller gaps, increasing capacity. The automation provided by connected vehicles will be used to mitigate potential driver error to significantly reduce crashes.

Research HUB ID:
8942
Project Status:
Completed
Project Funding Amount (Contract Award Amount):
$500,000.00
Start Date:
End Date:
Public Access Plan:
No
FHWA Program Area:
  • Exploratory Advanced Research

Contact Information

Team:
Technical Direction
Office:
Office of Operations Research and Development
Office Code:
HRDO-2

Management Organizations

Sponsor Organization

Organization Role:
Sponsor Organization
Organization:
Federal Highway Administration: Office of Research, Development, and Technology - Office of Operations Research and Development

Managing Organization

Organization Role:
Project Managing Organization
Organization:
Federal Highway Administration: Office of Research, Development, and Technology - Office of Operations Research and Development
Contact Role:
Project Contact

Performing Organization

Organization Role:
Performing Organization
Organization:
University of Virginia