 There are also taxi in Phuket, Chiang Mai, Samui, Nakhon Ratchasima, Khon Kaen, Udon Thani and Chonburi using the similar cars as in Bangkok.In Trinidad and Tobago the vehicles most commonly used as taxis are fifth-generation Nissan Cedrics, fifth and sixth-generation Nissan Laurels, 6th to 8th generation Toyota Crowns, Datsun Bluebirds and any other vehicles registered with an "H".However, in Trinidad, many cars still operate as taxicabs even without being registered.