Directions to IBI:

From Baltimore: (view map)
• Take I-395 S to I-95 S toward Washington
• Take exit 27 to merge onto Capital Beltway/I-495 W toward   Silver Spring (9.9 mi)
• Continue straight onto I-270 N (3.6 mi)
• Slight right at Exits Dwight D Eisenhower Hwy-I-270 Local N-   Washington National Pike (4.6 mi)
• Take exit 8 for Redland Rd (0.3 mi)
• Merge onto Redland Blvd (1.0 mi)
• Turn right at Frederick Rd (0.3 mi)
• Turn left at Watkins Pond Blvd (56 ft)
• Continue on Indianola Dr (0.3 mi)
• Turn right at Crabbs Branch Way (0.4 mi)

From Baltimore Washington Int'l Airport: (view map)
• Head southeast (0.1 mi)
• Slight left toward I-195 W (0.5 mi)
• Turn left at I-195 W (4.5 mi)
• Take exit 4B to merge onto I-95 S toward Washington
  (19.6 mi)
• Take exit 27 to merge onto Capital Beltway/I-495 W toward   Silver Spring (9.9 mi)
• Continue straight onto I-270 N (3.6 mi)
• Slight right at Exits Dwight D Eisenhower Hwy-I-270 Local N-   Washington National Pike (4.6 mi)
• Take exit 8 for Redland Rd (0.3 mi)
• Merge onto Redland Blvd (1.0 mi)
• Turn right at Frederick Rd (0.3 mi)
• Turn left at Watkins Pond Blvd (56 ft)
• Continue on Indianola Dr (0.3 mi)
• Turn right at Crabbs Branch Way (0.4 mi)

From Washington-Dulles Int'l Airport: (view map)
• Head west on Saarinen Circle toward Copilot Way (0.2 mi)
• Slight left to stay on Saarinen Circle (0.5 mi)
• Continue on Dulles Airport Access Rd (12.1 mi)
• Take the exit toward Richmond/exit 18-19/
  I-495/Baltimore/VA-123 (0.2 mi)
• Merge onto VA-267 E (Partial toll road) (0.9 mi)
• Take exit 18 to merge onto Capital Beltway/I-495 N toward   Baltimore, Entering Maryland (7.5 mi)
• Slight left at I-270-SPUR N (2.0 mi)
• Merge onto I-270 N (0.8 mi)
• Slight right at Exits Dwight D Eisenhower Hwy-I-270 Local N-   Washington National Pike (4.6 mi)
• Take exit 8 for Redland Rd (0.3 mi)
• Merge onto Redland Blvd (1.0 mi)
• Turn right at Frederick Rd (0.3 mi)
• Turn left at Watkins Pond Blvd (56 ft)
• Continue on Indianola Dr (0.3 mi)
• Turn right at Crabbs Branch Way (0.4 mi)

From Reagan National Airport: (view map)
• Head northeast (0.5 mi)
• Slight left toward Arrivals/Bag Claim (0.5 mi)
• Take the ramp to George Washington Memorial Pkwy
  N/GW Pkwy N (335 ft)
• Keep right at the fork, follow signs for GW Pkwy N and     merge onto George Washington Memorial Pkwy N/GW Pkwy   N Passing through District of Columbia to Virginia (11.8 mi)
• Merge onto Capital Beltway/I-495 N via the ramp to Maryland
  (4.3 mi)
• Slight left at I-270-SPUR N (signs for Rockville/
  I-270/Frederick) (2.0 mi)
• Slight left at I-270-SPUR N (2.0 mi)
• Merge onto I-270 N (0.8 mi)
• Slight right at Exits Dwight D Eisenhower Hwy-I-270 Local N-   Washington National Pike (4.6 mi)
• Take exit 8 for Redland Rd (0.3 mi)
• Merge onto Redland Blvd (1.0 mi)
• Turn right at Frederick Rd (0.3 mi)
• Turn left at Watkins Pond Blvd (56 ft)
• Continue on Indianola Dr (0.3 mi)
• Turn right at Crabbs Branch Way (0.4 mi)

Maps: (Click maps to enlarge)