DIRECTIONS
From I-270 North:
Interstate 270 North to Clopper Road (Route 117 West) - Exit 10.
Merge onto Clopper Road.
At the fifth light, turn right on West Watkins Mill Road.
MedImmune's main entrance (Building 35) is on the left.
From I-270 South:
Take I-270 South to Quince Orchard Road (Route 124) - Exit 11B.
Exit ramp will bring you out on Quince Orchard Road.
At the second light, turn right on Clopper Road (Route 117).
At the third light, turn right on West Watkins Mill Road.
MedImmune's main entrance (Building 35) is on the left.
From National Airport:
From National Airport drive north 12 miles along the river on the George
Washington Parkway toward Maryland Route 495 (Capital Beltway). Exit onto the
beltway will be on the right.
Follow I-495 North to Maryland (5 miles) to Exit 38 (I-270 North).
The road will divide; I-495 continues to the right and I-270 is to the left.
Follow I-270 North toward Frederick, MD.
Continue on I-270 to Clopper Road (Route 117 West) - Exit 10. Take the first
exit on the right (Clopper Road).
Merge onto Clopper Road.
At the fifth light, turn right on West Watkins Mill Road.
MedImmune's main entrance (Building 35) is on the left.
From Baltimore/BWI or Route 95:
Follow Route 95 South to Maryland Route 495 (Capital Beltway) toward Silver
Spring.
Follow I-495 West for 9 miles to Exit 35 (I-270 North). This exit will be on
the right after the Connecticut Avenue exit.
Continue on I-270 to Clopper Road (Route 117) - Exit 10. Take the first exit on
the right (Clopper Road).
At the fifth light, turn right on West Watkins Mill Road.
MedImmune's main entrance (Building 35) is on the left.
From Dulles Airport:
Take the Dulles Access Road toward Washington for 13 miles to I-495 North.
Take Exit 3B toward I-270 North. Once on I-495 stay in the left two lanes.
After several miles the road will divide; I-495 continues to the right and
I-270 is to the left.
Follow I-270 North toward Frederick, MD.
Continue on I-270 to Clopper Road (Route 117) - Exit 10. Take the first exit on
the right (Clopper Road).
Merge onto Clopper Road.
At the fifth light, turn right on West Watkins Mill Road.
MedImmune's main entrance (Building 35) is on the left.