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WanderingEng  ·  2579 days ago  ·  link  ·    ·  parent  ·  post: I suddenly wondered why I-50/I-60 don't exist

We have this monstrosity near me. Highway N is north-south. Highway B is east-west but uses Highway N for about a mile, so for that stretch the highway is both B and N. Highway BN intersects with Highway B about a mile from Highway N and then parallels Highway N.

I never realized how dumb it was until someone asked me for directions. They were so lost. I think they were on Highway B, and their printed directions said to turn on Highway B/Highway N. So they turned on Highway BN. It makes sense but was totally wrong. I hope I got them back on course.