Level 42 | IPTC Information Interchange Model | High-level programming language | The Spirit Level: Why More Equal Societies Almost Always Do Better | prefecture-level city | Low-level programming language | Tea Tree Plaza Interchange | Split Level | Meadowhall Interchange | Low Level Owl | High Level Bridge | Fermi level | cloverleaf interchange | Birmingham Snow Hill to Wolverhampton Low Level Line | Twelve Level Cap and Rank System | The Beatnuts: Street Level | Scalp Level, Pennsylvania | Prefecture-level city | 'O' Level | Multi-level marketing | multi-level marketing | Level Platforms | Level-5 | Kanfanar interchange | interchange station | high-level programming language | High-level design | Graphics Interchange Format | Electronic Data Interchange | County-level city |
Connections were added in 1937 to the Figueroa Street Viaduct, 1940 to the Arroyo Seco Parkway (known until 2010 as the Pasadena Freeway), and 1953 to the Four Level Interchange.
The northern segment of SR 11 continuing to Glenarm Street became SR 110, which continues briefly as the Harbor Freeway before becoming the Pasadena Freeway north of the Four Level Interchange with US 101.