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That is just a terrible situation. Beyond common sense, some humans tend to be selfish too. If these truckers were selfless, they would have unloaded the goods one at a time, to allow traffic in the other free side.

Terrible indeed. They are only thinking about themselves and are unmindful of inconveniencing other people. It makes me curse under my breathe, lol!

Yes they are. Selflessness is a virtue lacking in most of human society today. Its obvious everywhere you look. But we can be different though.