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From Washington DC (Dupont Circle Area)

1. Take Massachusetts Avenue north to Wisconsin Avenue (2.1 miles).
2. Turn right at Wisconsin Avenue and proceed approximately 5 miles, north, through Bethesda to Jones Bridge Road.
3. Turn right at Jones Bridge Road. Turn right at the 4th traffic light, Platt Ridge Drive, and take immediate left into HHMI.
4. If you are traveling north on Connecticut Avenue, there is no left turn onto Jones Bridge Road. Before Jones Bridge Road, turn right on Manor Road. Turn left at the first traffic light on Jones Bridge Road, cross Connecticut Avenue. Turn left at the second traffic light on Platt Ridge Drive, and make an immediate left into HHMI.

From Bethesda

1. Proceed north on Wisconsin Avenue to Jones Bridge Road.
2. Turn right at Jones Bridge Road. Turn right at the 4th traffic light, Platt Ridge Drive, and make an immediate left into HHMI.

From Ronald Reagan Washington National Airport

1. Take George Washington Parkway north to I-495 (Capital Beltway) north toward Maryland.
2. Bear right, following signs for I-495 toward Baltimore.
3. Take Beltway Exit 33, Connecticut Avenue south toward Chevy Chase.
4. Turn right at the first traffic light onto Jones Bridge Road.
5. Turn left at the second traffic light onto Platt Ridge Drive and make an immediate left into HHMI.

From Dulles Airport

1. Take Dulles Access Road to I-495 (Capital Beltway) north toward Maryland.
2. Follow signs for I-495 toward Baltimore.
3. Take Beltway Exit 33, Connecticut Avenue south toward Chevy Chase.
4. Turn right at the first traffic light onto Jones Bridge Road.
5. Turn left at the second traffic light onto Platt Ridge Drive and make an immediate left into HHMI.

From Baltimore-Washington International Airport (BWI)

1. Take Baltimore-Washington Parkway (I-295) south to I-495 (Capital Beltway) toward Silver Spring. Do not follow signs for Richmond.
2. Take Beltway Exit 33, Connecticut Avenue south toward Chevy Chase.
3. Turn right at the first traffic light onto Jones Bridge Road.
4. Turn left at the second traffic light onto Platt Ridge Drive and make an immediate left into HHMI.