￦ The Samastipur–Muzaffarpur section is a railway line connecting Samastipur to Muzaffarpur in the Indian state of Bihar.

The 53 km (33 mi) line passes through the plains of North Bihar and the Gangetic Plain in Bihar.

Former Railway Minister Laloo Prasad Yadav announced for the electrification of the Barauni–Samastipur–Muzaffarpur–Hajipur line and Muzaffarpur–Gorakhpur line (via Hajipur, Raxaul and Sitamarhi) in the Rail Budget 2008.

The electrification began in the year 2011 and was completed in 2014.

So maximum speed is restricted to 130 km/h.