Product name: 

Rehabilitation and maintenance of tracks and systems on Line 1 of the Mexico City Metro

Description: 

Renovation of 39 km of track and ballast, 17 escapes and 12 turnouts, in addition to the supply of materials such as sleepers and ballast. It also includes the rehabilitation of electrical systems, air conditioning in technical rooms, pumping wells and minor structural repairs.

Web: 

http://www.comsa.com