glassed skyscrapers influenced by European and North American designs. Moreover, this rapid growth was seen clearly from the decay of road networks which lacked arterial and feeder systems. The past decade has seen the city turn to mass transit to solve this major societal problem. There are currently 87.5 km of rail services, with an additional 148.8 either approved or under construction. This would only be a part of a 509 km network aimed for completion before 2029. Two international airports serve the capital Suvarnabhumi Airport and Don Mueang International Airport.
In 2005, Bangkok had an official population of 5,658,953, with 4,126,183 more residents living in the greater Bangkok area. The capital is a centre of the megalopolis situated in a heavily urbanized triangle of central and eastern Thailand, which stretches from Nakhon Ratchasima to the heavily Industrialized Eastern Seaboard. Bangkok borders five other provinces: Nonthaburi, Pathum Thani, Samut Prakan, Samut Sakhon and Nakhon Pathom; all five provinces are joined in the conurbation of the Bangkok Metropolitan Area