Under Construction: Boundary Channel Drive at I-395 Interchange Improvements in Arlington County

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Please note: A project update is now available. 

This project will upgrade the Boundary Channel Drive at I-395 interchange. Improvements include:

  • Reducing Boundary Channel Drive from four lanes to two in order to construct a eight-foot-wide eastbound sidewalk and a twelve-foot-wide westbound shared-use path 
  • Installing roundabouts on Boundary Channel Drive just west and east of I-395
  • Reconfiguring the ramps between I-395 and Boundary Channel Drive
  • Adding crosswalks along Boundary Channel Drive

The project also features a new shared-use path linking the Mount Vernon Trail to Long Bridge Park.

Estimated Costs
Preliminary Engineering - $509,000
Right of Way Acquisition and Utility Relocation - $550,000
Construction - $18.6 million
Total - $19.6 million

This project is financed with state (including Revenue Sharing), Arlington County and Northern Virginia Transportation Authority funding.


This project aims to improve safety and traffic flow, and enhance accessibility and connectivity for bicyclists and pedestrians.

Major Milestones 

Virtual Design Public Hearing - November 2020
Begin Design-Build Procurement - February 2021
Award Design-Build Contract - June 2021
Begin Construction - September 2022
Final Completion - Fall 2023


Contact Info:

Mark Gibney, P.E., PMP, DBIA

Scott Burdick

Other relevant links:

Project Update Presentation - September 2022

Virtual Design Public Hearing TranscriptVideo,
PresentationProject Renderings,
Aerial DisplayComment SheetAd and
Webpage - November 2020

Categorical Exclusion - January 2018

Phase: Under Construction

UPC: 116394

State ID: 6587-000-R89, P101, R201, C501

Federal ID: NHPP-5B01 (120)

Lat/Long: 38.870075, -77.046587

Locality: Arlington

Page last modified: Sept. 21, 2022