Founded on May 2, 1997, the company is responsible for administration, construction and metro planning in the state of Ceará, being present in the systems of Sobral and Cariri, having its main activity in Fortaleza and its metropolitan region.

The FMR lines represent 4.3% of the total network of subways and trains of Brazil that, in 2015, was of 1,062 km (660 mi) of extension.

The project involved double tracking and electrification of two of the main passenger rail lines, installation of modern signalling and communications system, construction of new stations, and acquisition of new rolling stock, all with the goal of achieving higher frequency operations on the two lines.

[5] The existing Fortaleza rail infrastructure consists of 43 kilometers (27 mi) of rail route, comprising two lines:[1] The 24.1-kilometer (15.0 mi) long South Line[2] provides passenger services between Carlito Benevides in Maracanaú to Central – Chico da Silva in downtown Fortaleza.

[3] It begins at Caucaia and currently terminates at João Felipe, with plans to extend it to Central – Chico da Silva.