PROJECTS > CONSTRUCTION
RAILWAY
More than 70 km of high-speed lines executed.
![](https://www.grupopuentes.com/wp-content/uploads/2021/03/web_acceso-stgo-1920x1280.jpg)
High-speed railway access to Santiago DC
High-speed railway infrastructure measuring 3.6km long; a highly complex project due to work being carried outin a metropolitan setting. It includes a 500m long cut-and-cover tunnel used as city parkland. It was contracted with the Ministry of Public Works and Transport (Adif) in 2009, with a €57 million budget. It was executed in 24 months. Finalist of the 2013 San Telmo Award.-speed
![](https://www.grupopuentes.com/wp-content/uploads/2021/04/web1_tordera.jpg)
Bridge over Tordera river
221 m long high-speed railway infrastructure, divided into 5 spans with spans of between 33 m and 51 m and 7 m of useful width of the deck. The foundations established for the execution of the piles have been made by means of pile-piles with a depth of 45 m.
![](https://www.grupopuentes.com/wp-content/uploads/2021/03/web1_contreras1-1920x1080.jpg)
Bridge over the Contreras reservoir
High-speed railway infrastructure, 590 m long on a polygonal arch with 262 m span and 40 m deflection; built on site by cantilevered segments, secured to temporary metal pylons. Executed in 23 months. European record for largest concrete arch for light and slenderness.
![](https://www.grupopuentes.com/wp-content/uploads/2021/03/web_bistrita3.jpg)
Bistrita Station, Romenia
Station and railway infrastructure.
![](https://www.grupopuentes.com/wp-content/uploads/2021/03/web_minglanilla-1-1920x1280.jpg)
Minglanilla high-speed rail infrastructure
Railway work for high speed access to the Mediterranean. 8 km long section that includes two bridges of 400 and 1,000 m respectively as well as two tunnels of 700 m. The duration of the works was 29 months.
![](https://www.grupopuentes.com/wp-content/uploads/2021/03/web_pisuerga-1920x1280.jpg)
High Speed Network on Pisuerga
5.3 km of railway infrastructure.
![](https://www.grupopuentes.com/wp-content/uploads/2021/03/web_itsmo-1920x1280.jpg)
Contreras isthmus bridge
832 m long rail infrastructure for high speed, 66 m span. Variable section piers up to 69 m high, built on the Contreras reservoir. Each span was executed in 2 weeks due to the various stressing phases. It was executed in 20 months.
![](https://www.grupopuentes.com/wp-content/uploads/2021/03/web_jalon-1920x1280.jpg)
Jalón bridge
Railway infrastructure of 2.200 m in length (one of the longest in Europe), with hollow rectangular pillars, executed with self-climbing formwork, and isostatic prestressed concrete deck executed with self-launching formwork. The duration of the works was 13 months.
![](https://www.grupopuentes.com/wp-content/uploads/2021/03/web_aragal.jpg)
Aragal high speed section
![](https://www.grupopuentes.com/wp-content/uploads/2021/03/web_ave-stgo-1920x1280.jpg)
Railway Infrastructure for High Speed Santiago
![](https://www.grupopuentes.com/wp-content/uploads/2021/03/web_ute-alcover.jpg)