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 Baltimore-Washington International
- Exit Airport
- Take I-195 W. [4.0 miles (6.5 km)]
- Take I-95 N. [1.7 miles (2.7 km)]
- Take I-695 N. [4.6 miles (7.3 km)]
- Take I-70 W. [35.7 miles (57.4 km)]
- Exit onto East Patrick Street, Exit No. 56. (The first Frederick Exit) [0.2 miles (0.2 km)]
- Take East Patrick Street to East Street. [1.3 miles (2.0 km)]
- Turn RIGHT onto East St. [0.2 miles (0.3 km)]
- Turn LEFT onto 4th St. [0.02 miles (0.03 km)]
- We are in the large brick building on the right, No: 241. [0.01 miles (0.02 km)]
 Washington-Dulles International
- Exit Airport. [0.7 miles (1.0 km)]
- Take exit for DULLES GREENWAY West (toll road), towards Leesburg. [16 miles (26 km)]
- Toll road will end in Leesburg. Go North on Route 15 (Leesburg Bypass). [2.0 miles (3.25 km)]
- Continue North on Route 15, road narrows to two lanes. Cross the Potomac River into Maryland. [10.0 miles 16.25 km)]
- In Maryland, continue North on Route 15. [7.0 miles (11.4 km)]
- Route 15 will merge with Route 340 East. [5.0 miles (8.1 km)]
- When entering Frederick, stay in the Left lane. Make a Left exit to continue on Route 15 North. Route 15 North and Route 40 West run together. [2.0 miles (3.25 km)]
- Take the Rosemont Ave. Exit off of Route 15 (right side exit). [0.0 miles (0.0 km)]
- Go East on Rosemont (it is a left turn at the light). [1.0 miles (1.7 km)]
- Rosemont turns into Dill, continue straight on Dill. [0.1 miles (0.2 km)]
- Turn Right on Benz St. at light. [0.3 miles (0.5 km)]
- Left Turn on 3rd St. [0.9 miles (1.4 km)]
- Left Turn on East St. [0.1 miles (0.2 km)]
- Left Turn on 4th St. and we are in the large brick building on the right, No: 241. [0.02 miles (0.03 km)]
 Ronald Reagan National
- Exit Airport. [0.1 miles (0.2 km)]
- Take GEORGE WASHINGTON MEMORIAL PKWY North. [11.5 miles (18.5 km)]
- Take CAPITAL BELTWAY to Maryland, I-495. [3.9 miles (6.3 km)]
- Take I-270 SPUR North to Frederick. [2.0 miles (3.2 km)]
- Continue on I-270 north to Frederick. [18.9 miles (30.5 km)]
- When you get to Frederick, I-270 will turn into State Route 15 North. Stay on Route 15 North. [1.0 miles (1.7 km)]
- Take the Rosemont Ave. Exit off of Route 15 (right side exit) [0.0 miles (0.25 km)]
- Go East on Rosemont (it is a left turn at the light). [1.0 miles (1.7 km)]
- Rosemont turns into Dill, continue straight on Dill. [0.1 miles (0.2 km)]
- Turn Right on Benz St. at light. [0.3 miles (0.5 km)]
- Left Turn on 3rd St. [0.9 miles (1.4 km)]
- Left Turn on East St. [0.1 miles (0.2 km)]
- Left Turn on 4th St. and we are in the large brick building on the right, No: 241. [0.02 miles (0.03 km)]
Frederick Location Detail


From Portland International Airport
- Depart via NE AIRPORT WAY. [1.66 miles] heading toward I-205 South
- Merge onto I-205 South/VETERANS MEMORIAL HWY toward I-84/PORTLAND/SALEM. [3.08 miles]
- Merge onto I-84 W/US-30 W via exit number 21B toward PORTLAND. [5.43 miles]
- Take the I-5 N/US-30 W exit toward SEATTLE. [0.16 miles]
- Take the exit toward STEEL BRIDGE/CONVENTION CENTER/ROSE QTR. [0.22 miles]
- Stay straight to go onto NE 1ST AVE. [0.05 miles]
- Turn LEFT onto NE MULTNOMAH ST. [0.21 miles]
- Stay straight to go onto OR 99W S/PACIFIC HWY W. [0.37 miles]
- Stay straight to go onto NW GLISAN ST. [0.20 miles]
- Turn LEFT onto NW BROADWAY. [0.10 miles]
- Turn LEFT onto NW EVERETT ST. [0.05 miles]
- Turn LEFT onto NW 6TH AVE. [0.01]
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