Map of construction project districts


I-495 North Shoulder Lane Use

From the Express Lanes merge to George Washington Parkway in Fairfax County

Area Maps

Project at a Glance

Begin Date
Summer 2014

Est Completion Date
Late 2014

Approx. $20 million


Northern Virginia

Paul Nishimoto
Susan Shaw, P.E.

About the Project

VDOT plans to begin work in 2014 to improve travel conditions where the northbound 495 Express Lanes join the regular lanes.

The 1.5-mile project will allow traffic to travel on the left shoulder of northbound I-495 from where the 495 Express Lanes end to the George Washington Parkway. The existing shoulder will be rebuilt to accommodate traffic.

The shoulder will be open to all traffic during peak travel periods. A lane-use management system, with green arrows and red "X's", similar to the lane-control system on I-66, will alert travelers when the shoulder is available. 

All travelers and buses will benefit from the new capacity and improved merge. There will be no barrier separation between the shoulder lane and the regular Beltway lanes, ensuring easy access for travelers.

Cost and Schedule

Estimated Project Cost
Preliminary engineering: $3.0 million
Construction: $17.0 million
Total $20 million

Anticipated project schedule
Construction of the shoulder project is expected to begin summer 2014, pending approval by the Federal Highway Administration.

Project will open to traffic in Late 2014. 

Project Schedule Display



Public Information Meeting Presentation and Brochure (November 2013)

Shoulder Lane Control System (SLCS)

I-495 Roadway Display

Environmental Documents:

Categorical Exclusion 

Final Design Noise Analysis

Air Report

UPC: 105130

State Project: 0495-029-123

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Page last modified: Dec. 19, 2013