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I-495 Express Lanes Northern Extension Study

Environmental analysis to extend the I-495 Express Lanes from the Dulles Toll Road interchange to the vicinity of the American Legion Bridge and Maryland line

Project at a Glance

Begin Date
April 2018

Est Completion Date
Late Spring 2019


Susan Shaw, P.E.
Project Manager

Michelle Holland

Note: A public information meeting was held June 11. Meeting materials and further information about the study are at

About the study

The Virginia Department of Transportation is conducting an environmental study about plans to extend the I-495 Express Lanes by approximately three miles from the I-495 and Dulles Toll Road interchange to the vicinity of the American Legion Bridge and Maryland line.

Virginia's I-495 Express Lanes Northern Extension study, also referred to as 495 NEXT, is being developed as an independent, stand-alone project that will be closely coordinated and compatible with plans for the I-495 Capital Beltway in Maryland. The full scope of improvements will be refined over the coming months.

The environmental study, which will be completed according to the requirements of the National Environmental Policy Act (NEPA), is evaluating site-specific conditions and potential effects the proposed improvements may have on air quality, noise, neighborhoods, parks, recreation areas, historic properties, wetlands and streams, and other resources. The study began in April 2018 and is expected to be completed in late spring 2019.

More information on the study is at


Begin Study – April 2018
Public Information Meeting – June 2018
Study Publicly Available – Winter 2018/19
Public Hearing – Early Spring 2019
Study Complete – Late Spring 2019


Public Information Meeting Public Notice (May 2018)

VDOT Study Announcement News Release (April 2018)

Project Numbers
State: 0495-029-419 
UPC: 113414
Federal: NHPP-0495(095)

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Page last modified: Sept. 13, 2018