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News: Union Minister for Road Transport and Highways has inaugurated the three-lane Koilwar bridge.
- Koilwar Bridge: It is a bridge constructed over the Sone river in Bihar. This rail-cum-road bridge connects Arrah with Patna, the capital of Bihar state in India.
- Son River: It is the second largest of the Ganges southern tributaries after Yamuna River.Its chief tributaries are the Rihand, Kanhar and the North Koel.