the portion of interstate 395 between the pentagon in arlington, virginia, and the interchange with interstate 95 and the capital beltway in springfield is part of the henry g. shirley memorial highway, named for a virginia highway commissioner who died on july 16, 1941, just a few weeks after approving work on the new expressway. originally state route 350, the full length of the shirley highway was opened on september 6, 1949, from south of the pentagon to woodbridge, virginia, along what is now better known as the interstate 95 corridor. the shirley highway featured the nation's first reversible bus lanes, a precursor to today's hov lanes.