Page 312 - Anuario FFCC - 2025

company guide Activity: ween Renedo - Guarnizo, as part of the Cantabria Cercanías

improvement plan.

Furthermore, its engineering business -COMSA Industrial-
Complete railway service. COMSA Corporación covers all
has developed the overhead line equipment of the La Robla
areas of construction, railway line maintenance, railway elec-
– Campomanes stretch of the León – Asturias high-speed
trification, railway control and communication systems.
line (Pajares By-Pass), which consists of a dual electrificati-
Main products and services:
on system comprising a 25 kV catenary and a double 20 kV
COMSA Corporación specialises in the construction and
dent from the catenary. The group has also completed the
maintenance of railway infrastructure and superstructure (for
conventional rail, high-speed rail, tramways, metros and re-
comprehensive renovation of the catenary between Maçanet
gional rail); engineering, installation and maintenance of over- high-voltage line for the supply of safety facilities, indepen-
and Caldes de Malavella and the maintenance of the overhead
head contact lines and AC and DC traction substations; engi- contact line, substations, stations, and associated systems of
neering, design, development, installation and maintenance FGV in Alicante.
of railway safety and communication systems and network
management systems and control centres; railway traction; Regarding its activities on conventional lines, the company
manufacture and supply of ballast; construction of concrete continues to construct the new railway access to Terminal 1
sleepers for main track and sidings, as well as construction of Barcelona-El Prat Airport, as well as the remodelling of
for civil engineering and building works; engineering projects the Pobla Larga-Silla section of Valencia‘s suburban train
and construction management. COMSA Corporación is also network, the construction of the Guadalajara - Marchamalo
present in the field of full maintenance of railway vehicles as Railway Terminal of the Port of Tarragona, or the new viaduct
well as the renting of high-tech machinery. of the Barcelona - Mataró - Maçanet Massanes railway line
over the future canal of the Port of Badalona, among other
Top products: INFRASTRUCTURE: 1. Duplication of track on projects.
the Renedo - Guarnizo section of the C-1 suburban line bet-
ween Torrelavega and Renedo. In the urban transport area, COMSA Corporación has comple-
INFRASTRUCTURE: 2. Construction of the high-speed train ted the Glòries - Verdaguer section of the Barcelona tramway
station at La Sagrera, Barcelona. and continues to build the Altza-Galtzaraborda section of the
TELECOMMUNICATION: 3. Renovation of the communica- San Sebastián Metro (Guipúzcoa) as well as works on the cen-
tions infrastructure in the south and central area for Adif. tral section of L9 of the Barcelona Metro. It has also executed
MAINTENANCE: 4. Rehabilitation and maintenance of tracks the renovation works on a section of L5 and L4 of the Barce-
and systems on Line 1 of the Mexico City Metro. lona Metro. Moreover, the group will install automatic doors
on the 70 platforms of Metro de Madrid‘s L6, totalling 6.4 ki-
Activities during the year: lometres, contributing to its conversion into the network‘s first
Spain: With over 130 years of history, COMSA Corporación automatic line. Additionally, it continues to develop contracts
specialises in turnkey railway projects covering construction, for the conditioning and adaptation of infrastructure, electrical
facilities, systems, and maintenance for high-speed, trams, installations, and systems on the metros of Madrid, Barcelona,
metropolitan, and regional railways. Currently, the group is Valencia, Sevilla, and Málaga, among others.
executing the underground works of the R2 line of Barcelo-
na Suburban Railways as it passes through the urban area of Europe: Endorsed by its high railway specialisation and cen-
Montcada i Reixac, which also includes the construction of tury-old experience, COMSA Corporación has invested in
the new station for the municipality. Additionally, the group markets with high opportunities for the development of new
is also responsible for significant projects such as the remo- infrastructures and the modernisation of existing ones. In this
delling and expansion of the lobby of Chamartín station in regard, it continues to work on the remodelling and electri-
Madrid and the construction of four additional tracks for high- fication of the railway between the provinces of Vinkovci and
speed trains, as well as the execution of the AVE station in La Vukovar (Croatia).
Sagrera, Barcelona, and Sector 3 of the Mondragón-Elorrio-
Bergara line, part of the Basque Y. Within the framework of In Portugal, COMSA and its subsidiary in the country, FER-
the Mediterranean Corridor development, COMSA is imple- GRUPO, are tackling the expansion project of the Yellow and
menting standard gauge on the Martorell – Sant Vicenç de Green lines of the Lisbon Metro, which includes the construc-
Calders section and has completed the laying of track bet- tion of a new 1.9 km stretch between the Rato and Cais de

310 Anuario del Ferrocarril 2025 Spanish Railway Yearbook