Natm Tunnel

Natm Tunnel

NATM Tunnel The NATM Tunnel of Panama Metro Line 3 is a key infrastructure element within the development of Panama’s future monorail network. This section marks the beginning of the transition from the elevated alignment to the main tunnel that will pass...
Airport Services Tunnel

Airport Services Tunnel

Airport Services Tunnel The Airport Services Tunnel (TSA) formed part of the strategic infrastructure works included in the expansion of Madrid-Barajas Airport, one of the largest airport development projects undertaken in Europe. The tunnel was designed to provide a...
M-111 Underground Tunnel

M-111 Underground Tunnel

M-111 Underground Tunnel The M-111 Highway Underpass was constructed as part of the Madrid-Barajas Airport expansion programme and represented a strategic infrastructure project designed to maintain road traffic continuity beneath the new airport runways and the...
Guadarrama Tunnels

Guadarrama Tunnels

Guadarrama Tunnels The Guadarrama Tunnels are one of the most significant railway projects in Spain’s high-speed rail network and a strategic piece of infrastructure on the Madrid–Valladolid AVE line. The project made it possible to overcome the natural barrier of the...
Pajares Tunnels

Pajares Tunnels

Pajares Tunnels The Pajares Tunnels form part of the León–Asturias High-Speed Line and are one of the most complex railway infrastructure projects ever undertaken in Spain. With a total length of 24,648 metres, they are among the longest railway tunnels in Europe and...