<Tr> <Td> United States </Td> <Td> RHT LHT (U.S. Virgin Islands) </Td> <Td> </Td> <Td> RHT / LHT </Td> <Td> Includes American Samoa, Guam, Northern Mariana Islands, Puerto Rico . U.S. Virgin Islands is LHT, like much of the Caribbean . </Td> </Tr> <Tr> <Td> Uruguay </Td> <Td> RHT </Td> <Td> 1945 </Td> <Td> LHT </Td> <Td> Became LHT in 1918, but as in some other countries in South America, changed to RHT on 2 September 1945 . A speed limit of 30 km / h (19 mph) was observed until 30 September for safety . </Td> </Tr> <Tr> <Td> Uzbekistan </Td> <Td> RHT </Td> <Td> </Td> <Td> RHT </Td> <Td> </Td> </Tr> <Tr> <Td> Vanuatu </Td> <Td> RHT </Td> <Td> </Td> <Td> </Td> <Td> </Td> </Tr>

Why countries drive on different sides of the road