Thai highway network
-The Thai highway network links every part of Thailand. The four-lane highways often have overhead concrete pedestrian crossings interspersed about every 250 meters in populated areas.
Thai motorway network
-The Thai motorway network is small. Coupled with Bangkok's extensive expressway network, the motorways provide a relief from regular traffic in Bangkok.
Thai expressway network
-Thailand uses the expressway term for the toll road or highway network. Most of expressways are elevated with some sections on the ground level.