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DDOT Announces New Massachusetts Avenue Portal On-Ramp to Southbound I-395

Wednesday, April 19, 2017
New portal opens April 22 at 4th Street and Massachusetts Avenue, NW

FOR IMMEDIATE RELEASE

Media Contacts

Terry Owens (DDOT) — (202) 763-8635, [email protected]
Tony Robinson (PGP) — (202) 439-3277, [email protected] 

(Washington, DC) -- The District Department of Transportation (DDOT) today announced that the Third Street Tunnel Project will achieve a major milestone with the opening of the new southbound Massachusetts Avenue on-ramp Saturday, April 22, 2017. 

The new portal at 4th and Massachusetts Avenue, NW, replaces theThird Street Tunnel on-ramp, which will be closed and demolished. Final surface street construction including repaving, new sidewalks and traffic control islands will conclude later this fall.

“After nearly two years of construction, the Third Street Tunnel Project is entering its final phases," said DDOT Director Leif Dormsjo. "With the opening of the new highway portal, not only do we achieve improved traffic flow and a much safer environment for pedestrians and bicyclists, we have installed nearly $200 million in critical infrastructure upgrades that will benefit generations of District residents.”

Motorists are advised that crews will continue to work along Massachusetts Avenue and H Street, NW, between 2nd and 4th Streets as the project enters into the final phases of construction. 

Among the new traffic patterns now in place:

  • Southbound traffic entering I-395 will use the new Massachusetts Avenue portal entering from the eastbound lanes of Massachusetts Avenue on the approach to 4th Street, NW. Motorists may also use the D Street entrance off 3rd Street, NW. 
  • Eastbound H Street between 3rd and 4th Streets will be expanded to three lanes.
  • Eastbound Massachusetts Avenue between 3rd and 4th Streets will be reduced to two lanes.
  • All other streets in the immediate vicinity will retain their lanes and basic configurations.                          

“The opening of the new Massachusetts Avenue portal allows us to move forward with the surface street restoration and the final below-grade tunnel extension work,” said Sean Cahill, Senior Vice President, Property Group Partners (PGP), developers of Capitol Crossing currently under construction above the highway. “The Third Street Tunnel Project is the foundation for Capitol Crossing. We have made infrastructure improvements meeting all new federal post-911 standards for highway construction and built sustainable infrastructure for our development as well as the surrounding community. We are seeking to create beyond-LEED platinum buildings and the new infrastructure will significantly benefit the first 'Eco-District' in the nation’s capital."

The first Capitol Crossing building, an office-retail tower at 200 Massachusetts Avenue, is on schedule for delivery by 2018. The tunnel extension will wrap-up in 2020 and the final four buildings of the Capitol Crossing development will be complete in 2022.

The portal-opening construction activities during this final surface street restoration phase will occur Mondays through Fridays, with weekend work scheduled as needed. 

Also, during this restoration phase, motorists, pedestrians, and cyclists are urged to stay alerted and to use caution when traveling through the work zone. Traffic cones and barrels will be in place, as well as flaggers and signage as necessary to redirect traffic around these lane closures.   

Motorists are advised to plan for additional travel time on surface streets, as traffic delays are likely to occur, or use alternative routes to bypass the construction area.

For more information about the project, please visit www.3rdsttunnel.com.

The mission of the District of Columbia government's Department of Transportation (DDOT) is to enhance the quality of life for District residents and visitors by ensuring that people, goods, and information move efficiently and safely with minimal adverse impact on residents and the environment. Follow us on Twitter; like us on Facebook and visit the website at www.ddot.dc.gov. Visit goDCgo.com for more information on transportation options in the District.