1953: Four-Level Interchange Superhighways were nothing new when downtown’s Four-Level Interchange opened in 1953, but the structure’s grand scale—22 lanes and seven bridges—announced the ...

Some we admire for their symmetry, like the famous Four-Level Interchange.It’s best viewed from the air, as in this photograph from the Los Angeles Public Library’s Security Pacific National ...

The four-level, symmetrical interchange that connects the two freeways near 19th Avenue and McDowell Road has been around since 1990. It was the second interchange constructed in the Valley.