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Under Construction

Route 50/10th Street and Route 50/Courthouse Road

Improvements to two interchanges in Arlington County

Area Maps

Project Photos

Project at a Glance

Begin Date
April 11, 2011

Est Completion Date
Fully opened to traffic on August 27, 2014

Cost
Approx. $40 million

Contractor
Flippo Construction Co., Inc.

Locality
Arlington

District
Northern Virginia

Contact
Gregg Newhouse, P.E. (ATCS)
Construction Manager
703-259-2909
Charles "Mel" Harvey, P.E.
Area Construction Engineer
703-259-3234

Note: All lanes, intersections and turning movements and all access points to and from Route 50 east and west to/from 10th Street and Courthouse Road opened to traffic on August 27, 2014. A ribbon-cutting ceremony was held on September 17, 2014. 

Crews will complete final landscaping in the spring.

About the Project

This project improves the interchanges on Route 50 (Arlington Boulevard) at 10th Street and at Courthouse Road. These interchanges, constructed in the early 1950s, had been tightly spaced by today’s standards, with short acceleration lanes and insufficient capacity for current and future traffic volumes.

Watch a brief video on the project courtesy of Arlington TV (March 2013)

Project Details
The 10th Street and Courthouse Road bridges over westbound Arlington Boulevard have been replaced, and dedicated acceleration/deceleration lanes have been added on Arlington Boulevard, separated from the main roadway. These new lanes improve traffic flow by managing the merge of entering and exiting vehicles (see typical section to the right). Additional improvements include:

  • Signalized intersections providing access from eastbound Route 50 to 10th Street and Courthouse Road
  • Ramps providing access from westbound Route 50 to 10th Street and Courthouse Road
  • A signalized “T” intersection providing access from both directions of Fairfax Drive to the Courthouse Road ramp

The 10th Street Ramp to westbound 50 opened to traffic in September 2013. Courthouse bridge opened to eastbound Route 50 traffic in November 2013. 

Aesthetics
The project features a public art component with custom-designed concrete panels and LED back-illuminated, patterned metal grillwork designed by artist Vicki Scuri (www.vickiscuri.com), working with the Arlington Cultural Affairs Public Art program.
 
Shared-Use Path and Transit
A bicycle trail has been added eastbound on Arlington Boulevard from Pershing Drive to Rolfe Street. The westbound trail has been relocated and extended under the 10th Street bridge.

Two existing bus stops along westbound Arlington Boulevard have been consolidated into one stop. Utilities within the project limits were placed underground as requested by Arlington County.

Background

Arlington Boulevard was constructed in the 1930s as a four-lane, divided highway. In 1954, the interchanges at 10th Street and Courthouse Road were added.

Arlington Boulevard is now six lanes through the county. Eastbound on Arlington Boulevard, 10th Street traffic enters from the left; Courthouse Road traffic exits and enters from the left. There is no access from eastbound Arlington Boulevard to 10th Street, but right-hand entrances and exits from westbound Arlington Boulevard to both Courthouse Road and 10th Street. See an overhead view of the interchanges prior to construction.

Resources

PDFs 
Interchange prior to construction
Environmental document (Categorical Exclusion)
Existing (2009) and proposed (2032) interchange traffic volumes 
Pardon our Dust meeting flyer and presentation (May 2011)

Project Number:  (FO) 0050-000-728, P101, R201, C501, B611, B612
ARRA FS-09(061)  UPC 93526/13531

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Page last modified: Sept. 30, 2014