From Dupont Circle:

Slight right to stay on Connecticut Ave NW

Turn right at Dupont Circle NW

Slight right at Massachusetts Ave NW

At Scott Circle NW, take the 4th exit onto Rhode Island Ave NW

At Logan Circle NW, take the 4th exit and stay on Rhode Island Ave NW

From the world bank:

North on 20th St toward H Street

Right on K Street NW

Left on 11th St NW

Turn right on Rhode Island Ave NW

From New York Ave:

Head west on New York Ave NE towards Florida Ave.

Take a right on Flordia Ave NE

Turn Right on 3rd St NW

Take first left on Rhode Island Ave NW