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This category is within the scope of WikiProject Bridges and Tunnels, a collaborative effort to improve the coverage of bridges and tunnels on Wikipedia. If you would like to participate, please visit the project page, where you can join the discussion and see a list of open tasks.Bridges and TunnelsWikipedia:WikiProject Bridges and TunnelsTemplate:WikiProject Bridges and TunnelsBridge and Tunnel
Start a discussion about improving the Category:Tunnels on the National Register of Historic Places page