On this and the next pictures you can see that there is actually no section where there is no construction. Either the old becomes the new or both remain unchanged. Also obviously Tueres alternates with cheap and trade with private.
Let the impressions work. This is a country in transition.

I am just a backpacker, traveling arround the world. This is from my turn trough thailand few years ago.

All pics are originals, made with my GoPro.
Life is too short for problems.