Answer:
BHUTAN
Bhutan doesn't have traffic lights including its capital Thimbu. They rely on manual traffic management. Recently, few traffic signals were tried operation, but was not very efficient and they again went back to manual methods.
Vietnam does hold traffic lights, though the numbers are very few.
Until very recently, St. Kitts and Nevis was too a country without traffic lights, but not any more. Few traffic lights have been installed there now.
Explanation:
