The Klingle Valley Trail project will open a new chapter in the history of Klingle Road, which dates back as early as 1831. It will also rehabilitate and restore Klingle Creek, a waterway that drains 320 acres of residential, commercial, and open space in the Cleveland Park and Woodley Park communities.
The drainage system currently in place along Klingle Road was constructed in the 1920s and 30s after the Klingle Valley was added to Rock Creek Park. Development in Northwest DC throughout the 20th century led to increased stormwater runoff in the area, which overwhelmed the drainage structures and led to frequent flooding. Following a severe flooding event in 1991, the road was found to be unsafe and was closed to the public between Cortland Place and Porter Street (0.7 miles).
In 2001 DDOT published a study that analyzed various restoration alternatives for Klingle Road and Klingle Creek. Click here to view the 2001 Klingle Road Feasibility Study.
The enabling DC Council legislation for the project includes the Klingle Road Restoration Act 2003 and the Klingle Road Sustainable Development Amendment Act of 2008.
A Draft Environmental Impact Statement for the Klingle Valley project was published in 2005, followed by the Final Environmental Assessment in 2011. The assessment received a Finding of No Significant Impact (FONSI) from the Federal Highway Administration in February 2011.
Final design for the project took place from February 2013 to October 2014. Construction is under way as of July 2015.