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Interstate 5

Interstate 5 (I-5) is a United States interstate highway that starts at the border with Mexico in San Ysidro, California and runs 1381 miles (2223 km) north through the states of California, Oregon and Washington to the border with Canada in Blaine, Washington. It serves as an important north-south transportation corridor along the U.S west coast connecting the major cities of San Diego, Los Angeles, Portland, and Seattle; the three state capitals of California (Sacramento), Oregon (Salem) and Washington (Olympia); and two additional major cities in neighboring countries (Tijuana & Vancouver) just over the international borders.

UnderstandS.
PrepareYou'll obviously need a vehicle, but there is nothing really necessary for the route unless you want to eat your own food or you're coming from another country, in which case you might need passports, for example, to…
Get inInterstate 5 begins/ends at the US/Mexican border crossing in San Ysidro at south of San Diego.
DriveMile markers are statewide mileposts, starting with "0" at the south border of each state which increases as you go north and then starts over at "0" when crossing the state line into the next state.
Stay safeWhen on the road, most of the journey is straightforward freeway driving.
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