File:2017-07-23 08 06 15 View north along West Virginia State Route 31 (Williamstown Pike) at West Virginia State Route 2 (Emerson Avenue) in Valley Mills, Wood County, West Virginia.jpg - Wikimedia Commons
31 Route: Schedules, Stops & Maps - Easton Terminal Bay 7→Rail St And Baldwin Dr (Updated)
Route 31 Bike, Board & Ski | Somerset PA | Facebook
Johto Route 31 - Bulbapedia, the community-driven Pokémon encyclopedia
NJ had to renumber Route 31 because the signs kept getting stolen