Locations

Silver Spring, Maryland

Driving Directions

Rush hour regulations restrict I-66 inside the Beltway to airport users and vehicles with 3 or more occupants from 6:30 am until 9:00 am inbound to DC. Unless you are coming from Dulles Airport or have three people in your vehicle, follow this Rush Hour Alternate Route from 6:30  to 9 a.m. The fine for violating HOV rules is $76.

For information on the Washington, D.C. Metro, visit the Washington Metropolitan Area Transit Authority.

The Aerospace Corporation
NPOESS Integrated Program Office
8455 Colesville Rd., Suite 1450
Silver Spring, MD 20910-3320
Phone: 301.427.2080 x123
Fax: 301.427.2164

Directions from Reagan Washington National Airport

1. Leave from the north end of the airport onto the George Washington Parkway (North)
2. Remain on the Parkway until it connects with I-495
3. Take the Baltimore, Maryland exit and head north on I-495 (Inner Loop)
4. Proceed around the Inner Loop (I-495) to Colesville Road Exit 30A
5. Proceed south on Colesville Road and cross Georgia Ave.
6. Turn right at the next block on Ramsey Ave. to enter the Centre Building parking garage
7. The entrance is on the left side of Ramsey Ave.

Directions from Dulles International Airport

1. Take the Washington-Dulles Access Road from the airport
2. Enter the Dulles Toll Road
3. Exit onto I-495 north to Baltimore Exit 12
4. Proceed around the Inner Loop (I-495) to Colesville Road Exit 30A
5. Proceed south on Colesville Road and cross Georgia Ave.
6. Turn right at the next block on Ramsey Ave. to enter the Centre Building parking garage
7. The entrance is on the left side of Ramsey Ave.
8. Take the elevator to the 14th floor

Directions from Baltimore-Washington International Airport

1. Take Airport Exit to I-495 west to I-95
2. Take the I-195 Washington Exit on to I-95 south
3. Take the I-495 West Exit 27-25 toward Northern Virginia
4. Take the right side of the exit ramp to merge onto I-495 (Outer Loop)
5. Exit I-495 at Exit 30B, Colesville Road
6. Proceed south on Colesville Road and cross Georgia Ave.
7. Turn right at the next block on Ramsey Ave. to enter the Centre Building parking garage
8. The entrance is on the left side of Ramsey Ave.
9. Take the elevator to the 14th floor