Why Are Underbridges So Narrow?

There are many underbridges in Mysore which allow roads to cross under railway lines or other roads. A common feature of these underbridges is that they shrink the road, affecting the smooth flow of traffic. When they do not even permit the full width of the road, where will they find space for footpaths? As a result, pedestrians find it extremely dangerous to walk on these underbridges. It is almost impossible for the elderly and the .... More