Information AboutInterstate 5 |
Interstate 5 (abbreviated '''I-5''') is the westernmost Interstate Highway in the contiguous United States . Its Odd Number indicates that it is a north-south highway. Its southern terminus is at the International Border between the United States and Mexico in the San Diego community of San Ysidro, California . Its northern terminus is at the International Border between the United States and Canada at the Peace Arch in Blaine, Washington . I-5 is the only Interstate highway to touch both the Canadian and Mexican borders. At its southern end, I-5 continues into adjacent Tijuana as Mexico Federal Highway 1 . On its north side, I-5 continues into Vancouver, Canada as Highway 99 . This highway links to Control Cities in California ( San Diego , Los Angeles , San Francisco , Sacramento , and Redding ), Oregon ( Medford , Eugene , Salem , and Portland ), and Washington ( Tacoma , Seattle , Everett , Mount Vernon , Bellingham ). Vancouver, British Columbia , Canada , is also a control city on Interstate 5 from the Seattle-Tacoma area to the north terminus at the Canadian border. Notably, a control city not directly linked by this highway is San Francisco , which is about 80 miles (130 km) west of I-5. To the south, Interstate 580 splits from I-5 towards San Francisco, while, to the north, Interstate 505 cuts south to Interstate 80 , which serves that city. That routing, via I-580, I-80 and I-505, was once Interstate 5W. Along with Interstate 15 , Interstate 10 , Interstate 8 , Interstate 40 , and U.S. Route 101 , I-5 serves as one of the primary roads that link the Los Angeles/ San Diego Metropolitan areas north and east to the rest of the nation. ROUTE DESCRIPTION
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