Exit the airport north onto the George Washington Parkway and follow the signs to 495
Take 495 North
Take Exit 38 to 270 North
Take Exit 8 to Shady Grove Rd
Turn left onto Shady Grove Rd
Take Shady Grove Rd to Key West Ave (.4 miles)
Turn right onto Key West Ave
Take Key West Ave to Broschart Rd (about .6 miles)
Turn left onto Broschart Rd
Go about .2 miles to BD Biosciences at 15010 Broschart Road
BD Biosciences Bioimaging