Eyewitnesses said that almost no one escaped without being stung.
They cite questions raised by constituents about the biggest highway project in the D.C. region.
They outline concerns about local impact and challenge value of the HOT lanes project.
Parts of H Street NW and 19th Street NW will be closed.
The road closures follow a report of shots fired near the West Front of the U.S. Capitol Building.
Police were still investigating the armed kidnapping and the killing of a security guard which ended with a police chase onto H Street on Thursday night.
The full-service lane will be close beginning April 10 and is expected to reopen April 13.
Suspicious bags were outside the Embassy of Fiji.
A long list of intersections without functioning traffic lights.
All lanes have reopened, but traffic is still backed up.