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Under Construction

I-395 HOV Ramp and Auxiliary Lane

Ramp to Seminary Road in the City of Alexandria

Project Photos

Project at a Glance

Begin Date
March 2014

Est Completion Date
Auxiliary Lane open to traffic in late 2014; HOV Ramp completion in the fall of 2015

Approx. $80 million

Archer Western Construction LLC


Northern Virginia

Larry Tomlinson, P.E., L.S
Design Build Manager
Gregg Newhouse
Construction Manager
Shirlene Cleveland, P.E.
Program Manager for Design Build Projects
Tom Fahrney
Commonwealth BRAC Coordinator

About the Project

VDOT is constructing a new auxiliary lane on northbound I-395 between Duke Street and Seminary Road. The new lane will provide easier access to the Department of Defense's Mark Center building, and will help improve traffic flow along I-395 North.

I-395 HOV Ramp

This project will construct a reversible High Occupancy Vehicle/Transit ramp on I-395 at Seminary Road. The ramp will provide improved access for HOV and transit users working at or near the Mark Center site. The Mark Center is a new Department of Defense facility at Seminary Road and I-395 that holds 6,400 employees.

I-395 North Auxiliary Lane

The project includes one additional northbound auxiliary lane on I-395 connecting the northbound on-ramp at Duke Street (Route 236) to the northbound off-ramp at Seminary Road.

This 0.8-mile auxiliary lane will ease congestion where motorists enter and exit I-395.

Estimated Project Costs
HOV Ramp - $60 million
Auxiliary Lane - $20 million
Total - Approximately $80 million

Anticipated Schedule
Auxiliary lane open to traffic - Late 2014
HOV ramp completion - Fall 2015

Traffic Impacts

Drivers should expect daytime lane closures during non-rush hours on the right lane of I-395 North to accommodate this work.

Noise Barrier Walls

An in-depth noise study found that noise walls would benefit multiple areas along this project corridor. VDOT’s policy on potential sound walls involves significant public input. Residents of the benefited areas are eligible to vote on the decision to place sound walls. For more information on VDOT’s sound abatement policies, use the below links to VDOT’s noise abatement resources and info on the voting procedure for proposed noise barrier walls. 

More info:

About Noise Walls | Noise Abatement Voting Procedures | Q & A - Noise Walls
Noise Impact Analysis Technical Report (November 2013)
Noise Wall Renderings


Landscaping Plans: Master Plan - Planting Detail | West Section | Plant List | Typical Sections 

Construction update (July 2014)
Noise Study Addendum (April 2014)
Noise Wall Maps with Votes
Parkside Condominium Association Meeting (March 2014)
Fact sheet on construction beginning (March 2014)
Public information meeting presentation and transcript (Oct. 2013) |
Aerial overview (Oct. 2013): 1 | 2 | 3
Interstate 95 Express Lanes: Fundamentals of Traffic Noise presentation|
Public hearing brochure (Jan. 2012) and Response to comments
Environmental Assessment

Project: 0395-100-722, 736

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Page last modified: Sept. 22, 2014