Thoughts Posted by Tom Stewart
Seeing as the first line of the song mentions "coastline", I think PCH stands for Pacific Coast Highway. Let's look at additional lyrics in PCH that would support this theory: "surf's up", "Eatin' up asphalt", "By the deep blue sea", "Want to head north, but I might go South" (as the Pacific Coast Highway is made of asphalt, is by the Pacific Ocean, and runs North and South.
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