handyandy727 t1_j3xbs8f wrote

My wife is from California and still can't explain that. Maybe it's because state highways are so big too? Like Highway 90 is basically an interstate in size. I dunno.

ETA: We live in KY, and we just say "65" or "71". We omit the "I-" but don't use THE unless it's a parkway or expressway.