Road signs in Indonesia the rules are not being implemented properly. Indonesian road signs use Indonesian, the official and the national language of Indonesia. However, English is also used for important public places such as tourist attractions and airports. Bilingual signs can be found in tourist areas such as Bali. Indonesia signed the Vienna Convention on Road Signs and Signals but have yet to ratify the Convention. Warning signs warn of possible dangers or unusual conditions ahead and alert motorists on the hazards to expect. Warning signs in Indonesia used to closely follow The American MUTCD and Japanese diamond-shaped with yellow background and black-and-yellow
Christianity in Indonesia from this, most other parts of North Sumatra have a significant Christianity percentage (around 20 to 40%), with the exception of Langkat, in the northeast coast, Asahan on the east coast, and the Mandailing regencies in the south which are Muslim majority (below 10%). Among Indonesian provinces in 2010, South Sumatra reported the eleventh-smallest number of Christians (114,671) or 0.49% of Christians within Indonesia. South Sumatra had the third-smallest percentage (among religions reported in the province) of Christians (1.54%), including the second-smallest percentage of Protestants (0.97%) and eighth-smallest percentage of Catholics (0.57%). West Sumatra province (population 4.8 million) is another