MP: 275.15 Location: I-5 and SR 543, Blaine 1 mile to SR 548, the last exit before Canada    MP: 275.32 Location: I-5 and D St, Blaine Customs and Immigration 1 mile, so you better get off the freeway at the next exit if you’re not going to Canada   MP: 275.45 Location: I-5 and … Continue reading Interstate 5, SR 543 to SR 548