Interstate 405 may refer to: * Interstate 405 (California), a bypass of Los Angeles, California *

Interstate 405 (Oregon) Interstate 405 (I-405), also known as the Stadium Freeway No. 61, is a short north–south Interstate Highway in Portland, Oregon. It forms a loop that travels around the west side of Downtown Portland, between two junctions with I-5 on the Wi ...

, western side of a loop around Portland, Oregon * Interstate 405 (Washington), a bypass of Seattle, Washington

See also