I don't know about a shuttle, but people can catch the 640 and 642 buses from Conference Center Drive. They both go to the Vienna metro stop.<br><br><a href="http://www.fairfaxcounty.gov/connector/cco/schedules.htm">http://www.fairfaxcounty.gov/connector/cco/schedules.htm</a><br>
<br>-Lin<br>