It is operated by Caminos y Puentes Federales, which charges cars 136 pesos to travel the full length of Fed. 45D.

After this, the road veers back northwest, with one partially built spur immediately preceding the Puerta Interior toll plaza, before ending at Fed.

A connection into the León metropolitan street system at Bulevar Delta was under construction and expected to open in early 2017.

[4] The 79-kilometre (49 mi) Salamanca-León segment formally opened on September 21, 2015 with a dedication ceremony by President Enrique Peña Nieto.

[5] It is maintained by Grupo México subsidiary[4] Concesionaria Infraestructura del Bajío, S.A. de C.V. and costs cars 43 pesos to drive.

[3][5] Segments of the Salamanca-León highway to be built include urban access to León and a spur to Puerta Interior.

[10] The bypass of Fresnillo is owned and operated by the government of Zacatecas, with a toll of 35 pesos for cars; it opened on March 8, 1993.

[18] The Chihuahua state government operates the toll road between El Sueco and Villa Ahumada, the last on northbound Fed.