Padma River is also known as the Ganga and was named the Hoogly or Hooghly River by the British. Further downstream, in Goalando, from the source, the Padma is joined by the Jamuna (Lower Brahmaputra) and the resulting combination flows with the name Padma further east, to Chandpur. Here, the widest river in Bangladesh, the Meghna joins the Padma, continuing as the Meghna almost in a straight line to the south, ending in the Bay of Bengal. The Padma forms the whole of the southern boundary of the Pabna District for a distance of about . The Jalangi River is thrown off
Ganga Expressway infrastructure development department of the Government of Uttar Pradesh, in its 2007 proposal request for Ganga Expressway, explained the motivation for Ganga Expressway. The government claimed every year many parts of the state of Uttar Pradesh face flooding of Ganga on its left bank, resulting in loss of life, usable land and property. To mitigate this problem the state government's irrigation department proposed the construction of a bund (embankment) along the left bank of river Ganga from Narora to UP/Bihar Border (Ghazipur). The state government decided to use this necessary embankment and build an access-controlled eight-lane expressway on top of