In 2011, the Sonpur Junction was given a facelift with a wider approach roads and greenery in and around the station premises at the cost of . The work on doubling of tracks on tracks between Sonpur and Hajipur has been carried on since past few years and is set to be completed by the end of 2012.
Bridge In 2009, the construction of India's longest road-cum-rail bridge, the
Digha–Sonpur rail–road bridge, was underway on the banks on the Ganges nearby, to connect Patna to
Pahleja Ghat. The bridge was completed by end of August 2015. It is long and therefore the longest road cum rail bridge in India and one of the longest in the world. == Infrastructure ==