Grupo Costanera[Sponsor]{Chile},Chile Ministry of Public Works (MOP)[Sponsor]{Chile}
项目状态:
Completed
开始时间:
2016
结束时间:
2017
项目说明:
November 2017 - Project officially opened; April 2016 - Construction commenced; Project involves construction of second tunnel parallel to existing Chamisero tunnel; Project is being undertaken by Concessionaire Autopista Nororiente, a subsidiary of Grupo Costanera