markets, Tirso de Molina and Vega Central, Plaza Baquedano, Sanhattan neighborhood, Bicentennial park, Parque Arauco, the Alto Las Condes shopping center and Las Condes and Tabancura clinics. Chilean transport experts propose that the line be modified to the international airport by San Daniel, Rio Itata and Armando Cortínez Oriente avenues in Pudahuel, passing through the Enea business park and with 22 stations, adding four and removing the three most western of the project. Metro SA did not rule it out, and the firm Enea offered to facilitate it. On December 22, 2017 the newspaper El Mercurio published a report that indicated that the route of the line was modified, so it will not circulate along Andrés Bello Avenue, but will go parallel to Line 1 through Providencia Avenue, eliminating a planned transfer in Salvador and transferring it to Pedro de Valdivia, to then continue with its original layout in Isidora Goyenechea (where it will combine with Line 6 in a station with the same name), and a section of the route in the sector of Kennedy Avenue will be diverted by Cerro Colorado. Along with this it was announced that the line will be inaugurated in 2027. The groundbreaking ceremony, marking the start of construction, was held by President Sebastián Piñera on February 17, 2022. Social benefits According to estimates of the Ministry of Transport, the time savings for people traveling from Renca to Vitacura will be 1 hour per trip, that is, 2 per day, equivalent to 21 days per year. There will be 1945 urban hectares (greater than the area of Providencia) at a distance of less than 600 meters from any station on the line, so the number of people who can access a station on foot is estimated at 322 979 inhabitants, considering the estimated densification. It also helps to distribute more evenly the inflow between the different metro lines, thanks to its route and transfer stations. In addition to the logical benefits that it will bring in terms of transfer times, Line 7 stands out for its contribution to the socio-economic and geographical integration of the city, since it connects the most neglected and deteriorated parts in terms of urban investment, infrastructure and connection, as it is the northwest of Santiago, with the center and northeast of the city, where the commerce and the jobs prevail. It will also generate greater densification of housing and