<P> A number of non-contiguous former British colonies in West Africa originally drove LHT and switched to RHT in the early 1970s to match the surrounding countries . Sierra Leone switched to RHT in 1971 , Nigeria in 1972 and Ghana in 1974 . Before this period The Gambia , a country entirely contained within RHT Senegal , had officially switched to RHT in 1965 . </P>
<P> A number of non-contiguous former British colonies in West Africa originally drove LHT and switched to RHT in the early 1970s to match the surrounding countries . Sierra Leone switched to RHT in 1971 , Nigeria in 1972 and Ghana in 1974 . Before this period The Gambia , a country entirely contained within RHT Senegal , had officially switched to RHT in 1965 . </P>
when did nigeria change from left hand driving to right hand driving
when did nigeria change from left hand driving to right hand driving
1972
1972