Ban this route. Ban that route. They will only find another route that may be more dangerous. Some replies suggest driver skills, maintenance, and so on, and those are all good suggestions and actions that should be taken. If it were me I would make these buses and tandem trucks stay in the left lane, follow the posted speed limit signs (buses and lorries xxxx kph, cars xxx kph, motorbikes xxx kph) When I read articles like this I feel like a broken record saying Thailand needs more police patroling the roads, checkpoints are usless.