I get what the engineers and city planners were trying to do, but the implementation is a little "extreme".

Curves and bends in roads are used to keep drivers "awake" and alert to "changing conditions", helping to keep concentration on the road infront. It also acts as a natural "traffic calming" measure to keep vehicle speed close to the signed or designed speed "naturally".

Straight roadway design generally leads drivers to slowly increase their speeds unintentionally as they become "comfortably" on a straightaway. It also makes the drive feel boring or "forgetable" which can be a signal a driver is starting to zone-out or loose concentration on what they are doing.

More gradual bends to meet the roadways designed and intended speed would have looked like this. The bends radius increases as the roads "design speed" increases. Similarly as the "designed speed" decreases the bends radius needs to decrease.