i think bikes would be too unefficient in bangkok due to bad city planning same as driving. You will waste too much sweat on biking there because it's too hot. not that many people will bike even if there are good bike lanes and because roads here are too confusing and you have to go all the way around to get to somewhere biking will be too exhausting to do. There are not much that people can deal with how bangkok is like now. What we need is more intersections. All three intersections be four intersections so people won't be forced to all go the same way to go different way.