BnamericasPublished: Wednesday, June 03, 2026
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The Integrated Public Train and Transport Agency (ATTRAPI) received proposals for two contracts associated with the Saltillo–Nuevo Laredo passenger train, with combined maximum bids close to US$766 million (mn), moving forward with the development of key infrastructure for the operation of the rail corridor.
The processes consider the construction of six railway stations and five auxiliary building complexes along the route. The highest financial proposals reach 13.271 billion (bn) pesos (US$766mn) including VAT.
For the tender of the railway stations of General Escobedo, Salinas Victoria, Villaldama, Lampazos de Naranjo, Anáhuac, and Nuevo Laredo, six proposals were submitted by consortia made up of Mexican and international construction companies.
The lowest financial offer corresponded to Group VI, made up of Proyectos y Desarrollos Salve, Zitum Desarrolladores, Tordec and Proyectos y Estudios Ferroviarios, with a bid of 3.477bn pesos, VAT included. At the other end of the scale, the highest bid was submitted by Group II, led by Comsa Infraestructuras, Regiomontana de Construcción y Servicios, Vise and Comsa, for 5.046bn pesos.
A consortium led by Calzada Construcciones, Construcciones y Dragados del Sureste, Rubau and ASCH also participated, with a bid of 3.688bn pesos; a group led by Constructora de Proyectos Viales de México, Ingeniería y Desarrollo Inmobiliario de México and Obrascón Huarte Laín (OHL), with 4.574bn; a consortium led by ICA Constructora and companies linked to the ICA group together with Garza Ponce, with 4.623bn; and a group headed by Impulsora de Desarrollo Integral, Proacon México, Construcciones Aldesem and Jaguar Ingenieros Constructores, with 3.982 billion.
The decision on this tender is scheduled for June 9, 2026, and the start of the works is planned for June 22. The contract provides for an execution period of 934 calendar days.
Auxiliary buildings
In parallel, ATTRAPI opened the proposals for the design and construction of the auxiliary railway buildings ZICA Derramadero, García Workshops and Depots, Las Torres Inspection Zone, Salinas Victoria Maintenance Base, and ZICA Nuevo Laredo.
Five groups participated in this process. The lowest bid was once again submitted by Group V, made up of Proyectos y Desarrollos Salve, Tordec, Proyectos y Estudios Ferroviarios and Zitum Desarrolladores, with 6.070bn pesos, including VAT. The highest bid corresponded to Group I, made up of Calzada Construcciones, Construcciones y Dragados del Sureste, Rubau, Proveedora de Materiales del Norte and ASCH, with 8.225bn pesos.
Between both extremes were the proposal from Group III, headed by Constructora de Proyectos Viales de México, Ingeniería y Desarrollo Inmobiliario de México and OHL, for 6.337bn pesos; that of Group II, made up of Comsa Infraestructuras, Regiomontana de Construcción y Servicios, Comsa and Vise, for 7.152bn; and that of Group IV, led by Impulsora de Desarrollo Integral, Aldesem, Proacon México, Jaguar Ingenieros Constructores and China Civil Engineering Construction Corporation (CCECC), for 7.801bn pesos.
The decision for this second tender is scheduled for June 10, 2026. If awarded according to the official timetable, the contract would begin on June 25 and would have an execution period of 920 calendar days.
Both tenders are carried out under the modality of open international public bidding, with evaluation through the points-and-percentages mechanism and lump-sum contracts.
The projects are part of the complementary infrastructure needed for the operation of the Saltillo–Nuevo Laredo passenger train, one of the rail corridors promoted by the federal government in northern Mexico, with a total estimated investment of US$9.104bn, according to the Proyectos México platform.
Among the participants, there are prominent groups led by Comsa, Rubau, OHL, ICA, Aldesem and CCECC, as well as several Mexican contractors specialized in railway infrastructure and civil works.
(The original version of this content was written in Spanish)
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