This category is within the scope of WikiProject Trains, an attempt to build a comprehensive and detailed guide to rail transport on Wikipedia. If you would like to participate, you can visit the project page, where you can join the project and/or contribute to the discussion. See also: WikiProject Trains to do list and the Trains Portal.TrainsWikipedia:WikiProject TrainsTemplate:WikiProject Trainsrail transport
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
This category is within the scope of WikiProject Futures studies, a collaborative effort to improve the coverage of Futures studies 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.Futures studiesWikipedia:WikiProject Futures studiesTemplate:WikiProject Futures studiesfutures studies
This category is within the scope of WikiProject North America, a collaborative effort to improve the coverage of North America 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.North AmericaWikipedia:WikiProject North AmericaTemplate:WikiProject North AmericaNorth America
Start a discussion about improving the Category:Proposed railway tunnels in North America page