Video presentation of the works carried out by Tria in Line 1 of the Lima Metro, consisting of:

• The expansion of the tracks in the yards of 'Bayovar' and 'Villa el Salvador'
• The installation of rail turnouts for the improvement of the comercial exploitation of the line, doubling its capacity. These works were done in 16, 12 h windows from Saturday night to Sunday, and at the end of the intervention the track was welded and operational at comercial speed.