It may be described as hectic, chaotic and downright dangerous at best. Most roads are like poorly organized and badly sign-posted race tracks. But, at least the traffic on real race tracks all goes round in the same direction! However, even the etiquette of race track rules does not even apply here in Thailand.
The stringent rules and regulations and tests that are compulsory in many developed countries for their roads are non-existent in some Asian countries. Thailand is no exception to this rule. Basically, there are no rules, well not rules that people observe anyway.