According to this Steam page, you can pre-purchase Long Island Rail Road for $29.99. Release date November 15th, 2018. https://store.steampowered.com/sub/147274/ Someone in the TSW Discord purchased it and showed us that the DLC did appear in his library. EDIT: DTG Luke explained that the Steam Store page is created in advance to get approval by Steam. The fact that SteamDB was able to get access to the unreleased store page was unintentional and is being investigated. It is not known if those who have purchased it will experience any issues come release day. The release day is not final and will likely be adjusted as development nears finality.