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Located in Alexandria, Virginia, CNA has more than 750 employees and nearly 70 years of experience researching and analyzing the complex scientific, operational, and policy challenges that are facing the public sector and public decision makers.

Driving Directions

4825 Mark Center Drive • Alexandria, VA 22311-1850

Located in the Mark Center complex, off Seminary
Road, just west of I-395 (Shirley Hwy.)  703.824.2000

From I-395:

Exit onto Seminary Road West, Exit #4.
At the second traffic light, turn left onto Beauregard St.
Turn left at the next traffic light onto Mark Center Dr.
Follow Mark Center Dr. through the traffic light and circle;
Continue straight, under the overpass and turn right into the 4825 parking garage;
Bear left to come to the front of CNA’s building or if headed to overflow parking.

From the West on Seminary Road:

Turn right onto Mark Center Ave., (a block east of Beauregard St.)
Turn left onto Mark Center Dr. and bear right around the curve to CNA.
The garage entrance is just past the building on the left.

The IDA/CNA Pentagon Shuttle:

The Pentagon shuttle provides round-trip service between Mark Center and
the Pentagon on weekdays at 20-minute intervals. Service begins at 6:00 a.m.
at both the Pentagon and CNA.The last pick-up at CNA is at 6:40 p.m.; the last
pick-up at the Pentagon is at 7:00 p.m.. The shuttle stop at the Pentagon is on
Metro Platform L9 at the Pentagon Transit Center. Passengers are required to
show a CNA or Pentagon badge. If you do not have a badge, CNA can arrange
for you to ride on the shuttle. Contact 703.824.2831 or adamss@cna.org.