| Dosan Ahn Chang Ho Memorial Interchange | |
|---|---|
| Harbor–Santa Monica Freeway Interchange | |
.jpeg) The Dosan Ahn Chang Ho Memorial Interchange in 2015, taken from the north | |
 | |
| Location | |
| Los Angeles, California | |
| Coordinates | 34°02′17″N 118°16′27″W / 34.03806°N 118.27417°W |
| Roads at junction | |
| Construction | |
| Type | Three-level cloverstack interchange |
| Constructed | January 20, 1958 – October 4, 1959 |
| Opened | January 15, 1962 |
| Maintained by | California Department of Transportation |
The Dosan Ahn Chang Ho Memorial Interchange, also known as the Harbor–Santa Monica Freeway Interchange, is a three-level cloverstack interchange that serves as the junction between the Harbor (Interstate 110 and State Route 110) and Santa Monica (Interstate 10) Freeways at the southern edge of Downtown Los Angeles, California.
Officially named since 2002 after Korean independence activist Ahn Chang Ho, and constructed as part of the first segment of the Santa Monica Freeway which was completed in 1962, it is one of the busiest freeway interchanges in Los Angeles, with hundreds of thousands of vehicles using the interchange daily.