2bangkok.com - Unofficial webpages on mass transit projects in Thailand, including Bangkok's skytrain, subway, Hopewell project, and the Chiang Mai subway. - http://www.2bangkok.com/
Thai Focus: Thailand Trains - Timetables, sleeper information, route maps, and Thailand Railway information. Online tickets available to internet users and can be sent to any address world-wide. - http://www.thaifocus.com/travel/train/
Design Features of the Bangkok Metro - Report on the background, design and operation of Bangkok's skytrain, with pictures and maps. - http://www.trainweb.org/railwaytechnical/bangkok.html