Interstate 5 Business (Castle Rock, Washington)
![Interstate 5 marker](//upload.wikimedia.org/wikipedia/commons/thumb/1/11/I-5.svg/70px-I-5.svg.png)
Interstate 5 |
Highway system |
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![Interstate 5 marker](//upload.wikimedia.org/wikipedia/commons/thumb/1/11/I-5.svg/70px-I-5.svg.png)
Business routes of Interstate 5 exist.
![](//upload.wikimedia.org/wikipedia/commons/thumb/9/9a/Business_Loop_5_%28CA%29.svg/40px-Business_Loop_5_%28CA%29.svg.png)
Business Loop 5 was a business route of I-5 in San Ysidro, National City, and Chula Vista, California. Business Loop 5 followed the original routing of U.S. Route 101 along Beyer Boulevard, Broadway, Harbor Drive, and Pacific Highway. The route terminated at I-5 at both ends.
The designation was assigned in the 1960s and removed in the 1990s.
![](//upload.wikimedia.org/wikipedia/commons/thumb/9/9a/Business_Loop_5_%28CA%29.svg/40px-Business_Loop_5_%28CA%29.svg.png)
Business Loop 5 was a business route of I-5 in San Diego, California. Business Loop 5 followed the original routing of U.S. Route 101 along Mission Bay Drive and terminated at I-5 at both ends. The designation was removed in late 2004 and early 2005; however, a lone sign still stands on southbound I-5 promoting the route.
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Wikipedia