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by marssaxman 1538 days ago
It's not quite as odd as the neighborhood overlay shown here, but the third runway at Seatac Airport was built on the edge of a ravine, and the approach lights are therefore strung along a truss, which crosses over a nearby highway - you drive underneath the lighting structure when approaching to the airport from the north.

https://i.redd.it/uxbw610dgpx01.jpg