Interstate 5 Travel Guide — Things to Do, Food & Hotels
highway in California, Oregon, and Washington in the United States
About Interstate 5
Interstate 5 (I-5) replaces the former US Route 99 (Pacific Hwy Auto Trail from before 1926) from Blaine, Washington to Los Angeles, California and the old US Route 101 from Los Angeles to San Diego, California as the main north-south route along the west coast. The old U.S. Highway 99 then continued east along the present Interstate 10 from Los Angeles toIndioCA. From Indio U.S. Highway 99 turns south towards the Mexican border inCalexico, on the present day CA-86, along the western shores of theSalton Sea; and fromBrawleyto Calexico on CA-111. Prior to 1926, the old Pacific Highway Auto Trail went from Davis, California, along Interstate 80 (formerly US Hwy 40) into San Francisco where it went south towards San Diego along US Highway 101. After decommissioning in the 1960s segments of th
Interstate 5 Travel Guide Sections
Our comprehensive guide covers 8 sections including: