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Driving Directions

Directions to the NIH Main Campus

(9000 Rockville Pike, Bethesda, MD 20892)

From the Capital Beltway in Northern Virginia or Maryland:

  • Take the Beltway (495) Westbound (Outer Loop) or Northbound (Inner Loop)
  • Take exit 36 to Old Georgetown Road, South.
  • Turn left onto W Cedar Lane
  • Yield right onto Rockville Pike
  • Follow signs to the Main Visitor’s entrance is on the right

From Local Airports

From Baltimore-Washington International Airport (BWI)

  • Take the Baltimore-Washington Parkway south toward Washington, DC.
  • At I-495 (Capital Beltway), head west toward Silver Spring/Bethesda.
  • From the Beltway (I-495), take Exit 34 which is Rt. 355 (Wisconsin Ave./Rockville Pike) and head south toward Washington/Bethesda.
  • Pass South Drive and turn right at NIH Gateway Drive.

From Dulles International Airport

  • Head east on the Dulles Airport Access Road for approximately 13 miles.
  • Exit onto I-495 (Capital Beltway), heading north to Bethesda/Baltimore.
  • From the Beltway (I-495), take Exit 34 which is Rt. 355 (Wisconsin Ave./Rockville Pike) and head south toward Washington/Bethesda.
  • Pass South Drive and turn right at NIH Gateway Drive.

From Ronald Reagan National Airport

  • Head North on the George Washington Parkway for approximately 12 miles.
  • Exit onto I-495 (Capital Beltway), heading north to Maryland.
  • From the Beltway (I-495), go approximately 7 miles, then take Exit 34, Rt. 355 (Wisconsin Ave./Rockville Pike) and head South toward Washington/Bethesda.
  • Pass South Drive and turn right at NIH Gateway Drive.

Directions to Democracy One & Two

(6701 & 6707 Democracy Blvd., Bethesda, MD 20817)

From the Capital Beltway in Northern Virginia:

  • Take the Beltway (495) Northbound (Inner Loop)
  • Stay to the left and enter I270 North at the 270 spur
  • Take Exit 1 to Democracy Blvd
  • Yield right, heading East on Democracy
  • Turn left onto Fernwood Drive, building is on the left

From the Capital Beltway in Maryland:

  • Take the Beltway (495) Westbound (Outer Loop)
  • Stay to the right to enter I270 North at the 270 spur
  • Take Exit 1a and turn left at the top of the ramp onto Old Georgetown Rd.
  • Turn right onto Democracy Blvd
  • Turn right onto Fernwood Drive, building is on your left

Directions to Executive Plaza North & South

(6120 & 6130 Executive Blvd. Rockville, MD 20852

From the Capital Beltway in Northern Virginia:

  • Take the Beltway (495) Northbound (Inner Loop)
  • Stay to the left and enter I270 North at the 270 spur
  • (continue below)

From the Capital Beltway in Maryland:

  • Take the Beltway (495) Westbound (Outer Loop)
  • Stay to the right to enter I270 North at the 270 spur

Continue:

  • Enter the I270 local lanes
  • Take exit 4a and yield right onto Montrose Rd. Eastbound
  • Yield to the right onto Montrose Parkway
  • At the first light, yield right onto Executive Blvd
  • At the first light, turn into the Executive Plaza complex.

Directions to Twinbrook I, II and III

From the Capital Beltway in Northern Virginia or Maryland:

  • Take the Beltway (495) Westbound (Outer Loop) or Northbound (Inner Loop)
  • Take exit 36 to Old Georgetown Road, North.
  • Follow Old Georgetown 2 1/2 miles, turn left onto Rockville Pike, Rt 355

    Twinbrook I
    (5640 Fisher Lane, Rockville, MD 20852):

    • Travel on Rockville Pike for ¾ mile, yield to the right onto Twinbrook Parkway
    • Follow Twinbrook Parkway ½ mile, turn left onto Fishers Lane.
    • Building is on your right.

    Twinbrook II
    (12441 Parklawn Drive Rockville, MD 20852):

    • From Rockville Pike, exit towards Montrose Parkway
    • Turn right onto Montrose Parkway, Eastbound
    • Travel on Montrose Parkway for ½ mile
    • Turn right onto Parklawn Dr.
    • Follow Parklawn for about 1 mile, building is on your right.

    Twinbrook III
    (12735 Twinbrook Parkway, Rockville, MD 20852):

    • Travel on Rockville Pike for ¾ mile, yield to the right onto Twinbrook Parkway
    • Follow Twinbrook Parkway ¾ mile, building is on your right.

Directions to Fernwood

(10401 Fernwood Road, Bethesda, MD 20817)

From the Capital Beltway in Northern Virginia:

  • Take the Beltway (495) Northbound (Inner Loop)
  • Stay to the left and enter I270 North at the 270 spur
  • Take Exit 1 to Democracy Blvd
  • Yield right, heading East on Democracy
  • Turn left onto Fernwood Drive, go through 2 traffic lights
  • Building is on your right

From the Capital Beltway in Maryland:

  • Take the Beltway (495) Westbound (Outer Loop)
  • Stay to the right to enter I270 North at the 270 spur
  • Take Exit 1a and turn left at the top of the ramp onto Old Georgetown Rd.
  • Turn right onto Democracy Blvd
  • Turn left onto Fernwood Drive, go through 2 traffic lights
  • Building is on your right

Directions to Rockledge I & II

(6701 & 6705 Rockledge Drive, Bethesda, MD 20817)

From the Capital Beltway in Maryland:

  • Take the Beltway (495) Westbound (Outer Loop)
  • Stay to the right to enter I270 North at the 270 spur
  • Take Exit 1b and turn left at the traffic light at the top of the ramp onto Rockledge Dr.
  • At the first light, yield to the right to stay on Rockledge Drive
  • Rockledge I & II are located on your right.

From the Capital Beltway in Northern Virginia:

  • Take the Beltway (495) Northbound (Inner Loop)
  • Stay to the left and enter I270 North at the 270 spur
  • Take Exit 1 to Democracy Blvd
  • At the third traffic light, turn left onto Fernwood Drive.
  • At the third traffic light, turn right onto Rockledge Drive.
  • Follow Rockledge Drive about ½ a mile; Rockledge I & II are located on your left

Directions to 301 North Stonestreet

(301 North Stonestreet Ave, Rockville, MD 20854)

From the Capital Beltway in Northern Virginia:

  • Take the Beltway (495) Northbound (Inner Loop)
  • Stay to the left and enter I270 North at the 270 spur
  • (continue below)

From the Capital Beltway in Maryland:

  • Take the Beltway (495) Westbound (Outer Loop)
  • Stay to the right to enter I270 North at the 270 spur

Continue:

  • Take exit 6A, Eastbound on Rt. 28, W Montgomery Ave.
  • Turn right onto Rt. 28
  • Travel about ¾ mile on W Montgomery Ave, continue right onto W Jefferson St.
  • Turn left onto Maryland Ave.
  • Turn right onto E Middle Ln.
  • Turn left onto N Stonestreet Ave.; building will be on your right
This page last reviewed on June 17, 2011

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