![Appendix A. Candidate Site Information Sheets (Supplement to Chapter 4) - Enhancing Safety and Operations at Complex Interchanges With Improved Signing, Markings, and Integrated Geometry , May 2018 - FHWA-HRT-17-048 Appendix A. Candidate Site Information Sheets (Supplement to Chapter 4) - Enhancing Safety and Operations at Complex Interchanges With Improved Signing, Markings, and Integrated Geometry , May 2018 - FHWA-HRT-17-048](https://www.fhwa.dot.gov/publications/research/safety/17048/images/image146.png)
Appendix A. Candidate Site Information Sheets (Supplement to Chapter 4) - Enhancing Safety and Operations at Complex Interchanges With Improved Signing, Markings, and Integrated Geometry , May 2018 - FHWA-HRT-17-048
Freeways of Los Angeles on Twitter: "Freeway Engineering 401 - A contrast in interchanges. The US-101/CA-110 four level (with 35 mph connectors) designed in 1943, and the I-105/I-110 five level (with 50+
Automobile Club of Southern California - LA's Four Level interchange was completed in 1949 and became a model for interchange design. However, it didn't fully open until 1953 (the date of this
![Four-Level Interchange At Turnpike Wall Art, Canvas Prints, Framed Prints, Wall Peels | Great Big Canvas Four-Level Interchange At Turnpike Wall Art, Canvas Prints, Framed Prints, Wall Peels | Great Big Canvas](https://static.greatbigcanvas.com/images/singlecanvas_thick_none/getty-images/four-level-interchange-at-turnpike,2164870.jpg)
Four-Level Interchange At Turnpike Wall Art, Canvas Prints, Framed Prints, Wall Peels | Great Big Canvas
![L.A.'s Famous Four-Level Freeway Interchange, 'The Stack,' Turns 58 | Lost LA | Food & Discovery | KCET L.A.'s Famous Four-Level Freeway Interchange, 'The Stack,' Turns 58 | Lost LA | Food & Discovery | KCET](https://static.kcet.kcet.production.k2.m1.brightspot.cloud/dims4/default/31e168d/2147483647/strip/true/crop/597x520+0+0/resize/597x520!/quality/90/?url=http%3A%2F%2Fkcet-brightspot.s3.amazonaws.com%2Flegacy%2Fsites%2Fkl%2Ffiles%2Fatoms%2Farticle_atoms%2Fwww.kcet.org%2Fupdaily%2Fsocal_focus%2FAAA-NG-6631.jpg)
L.A.'s Famous Four-Level Freeway Interchange, 'The Stack,' Turns 58 | Lost LA | Food & Discovery | KCET
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L.A.'s Famous Four-Level Freeway Interchange, 'The Stack,' Turns 58 | Lost LA | Food & Discovery | KCET
![Los Angeles Downtown Four Level Interchange Aerial View Stock Image - Image of view, traffic: 75824979 Los Angeles Downtown Four Level Interchange Aerial View Stock Image - Image of view, traffic: 75824979](https://thumbs.dreamstime.com/z/los-angeles-downtown-four-level-interchange-aerial-view-afternoon-harbor-pasadena-hollywood-freeways-75824979.jpg)
Los Angeles Downtown Four Level Interchange Aerial View Stock Image - Image of view, traffic: 75824979
![Los Angeles's Four Level interchange: a history of cities in 50 buildings, day 14 | Cities | The Guardian Los Angeles's Four Level interchange: a history of cities in 50 buildings, day 14 | Cities | The Guardian](https://i.guim.co.uk/img/static/sys-images/Guardian/Pix/pictures/2015/4/10/1428669252099/58e4655f-09ba-4116-8a4b-5fec67bb8786-2060x1236.jpeg?width=700&quality=85&auto=format&fit=max&s=8f83823189488b2f9d924e0e48915439)
Los Angeles's Four Level interchange: a history of cities in 50 buildings, day 14 | Cities | The Guardian
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Los Angeles's Four Level interchange: a history of cities in 50 buildings, day 14 | Cities | The Guardian
![Los Angeles Harbor 110 and Hollywood 101 four level freeway interchange in Southern California. Stock Photo | Adobe Stock Los Angeles Harbor 110 and Hollywood 101 four level freeway interchange in Southern California. Stock Photo | Adobe Stock](https://as2.ftcdn.net/v2/jpg/01/67/63/09/1000_F_167630946_GErqIITa3hnFtIhHIpFnHTfYl8CTQh4X.jpg)