The Arlington National Cemetery Defense Access Roads (DAR) project on the east end of Columbia Pike is a federal project by the US Department of Transportation.
In addition to the expansion, the project provides the following changes:
- Realign Columbia Pike east of South Oak Street
- Reconfigure the intersection of South Joyce Street at the Columbia Pike/South Washington Boulevard Interchange
- A new bike and pedestrian connector trail on the north side of Columbia Pike
Visit the USDOT project page for more information and project contacts.