Open Transport Tycoon - An open-source remake. Includes news, project information, downloads, and a forum. - http://www.openttd.com/
Transport Tycoon - Has a game review, a tutorial for new players, strategy and rail building tips, cheats, game scores, a vehicles list and downloads. - http://ttdx.virtue.nu/enter.html
TTD Urban Renewal - Graphics patch with instructions for installation and backups. Also has information on a game configure utility, and graphics tools. - http://www.divxland.org/ttd/ttdur.htm
wimb.net - Transport Tycoon - Site describes a Transport Tycoon game in a very difficult Scenario. Scenario can be downloaded to play yourself. Also some additional links and information about monorail and Maglev. - http://www.wimb.net/index.php?s=tycoon&page=0
Transport Tycoon Deluxe Pages - Offers strategies, cheats, and downloads. - http://www.tycoongames.net/ttdpages.html
Tycoon Research Lab - Download a program to look inside the files of the Transport Tycoon Deluxe game. - http://tycoon.itgo.com