Jakarta is very well known for it's massive traffic jams. Every single person in Indonesia knows that Jakarta's traffic jams are very bad. So bad, that people can be stuck for hours without any specific reason. Without any accidents or flood, Jakarta's traffic jam is already bad. Accidents and flood, or even rain always worsens the situation. There's not a single day without traffic jams in Jakarta.
The problems stated above can be solved by making some changes. One of the things that can be improved is making public transportation more adequate. When it is more adequate, then people will feel more comfortable riding it, and tend to use it more than using personal vehicles. Also, the government could be stricter, to ensure people follow their rules. Put bigger punishments, or even bigger fines. Whatever necessary to make people aware about the importance of following the rules. In conclusion, the traffic jam problem in Jakarta can be solved by making several improvements.