Laksam - Noakhali section was constructed by Bengal Railway company in 1903.

Laksam - Chandpur section was constructed by Bengal Railway company in 1906.

Construction of a railway track from Dohazari to Cox's Bazar has been initiated.

[9] In 2017 an agreement with Chinese contractors was signed to double-track and regauge the railway line to 5 ft 6 in (1,676 mm) broad gauge.

2·5bn of the total cost of 3·1bn taka is to be provided as assistance by Chinese government.