flyover - bridge formed by the upper level of a crossing of two highways at different levels; "an overpass is called a flyover or a flypast in England"
An overpass (In UK, India, Hong Kong flyover) is a bridge, road or similar structure that crosses over another road.
From the railway's point of wiew, the structure in the picture is an underbridge.
The unplanned nature of growth in the city resulted in massive traffic gridlocks that the municipality attempted to ease by constructing a flyover system and by imposing one-way traffic systems.
Some of the flyovers and one-ways mitigated the traffic situation moderately but were unable to adequately address the disproportionate growth of city traffic
In 2005 both the Central Government and State Government allocated considerable portions of their annual budgets to address Bangalore's infrastructure.