Túnel Lo Ruiz in Autopista Central is one of the projects that Chile wants to prioritize. Tunnel will go under the namesake hill on the route between General Velásquez and Américo Vespucio Norte. Lo Ruiz tunnel will be 1,47 kilometers long.

Tender will close at 10:00 AM on 28 February 2022.

https://www.mercadopublico.cl/Procurement/Modules/RFB/DetailsAcquisition.aspx?qs=kyXHrkydu5yMHcIkeDpsOg==

Full set of tender documentation is

https://www.mercadopublico.cl/Procurement/Modules/Attachment/ViewAttachment.aspx?enc=Rexad%2bPCPgavTtjokDFwlQjxV6TBXuEydVyVB%2b%2bAfhqS2Zt1IH346nSpfiW5puA3ZSjg03P%2f7hIpAeu1BmYUsvqk8svbtvr%2f5OSvIPBFlra1%2f803uQK6pmnOatqr6N7dMnORbuy6NhyXTTJfW19MjA4NdqGjRIAIILs6EhuZRsHQvdWGvyDRG2RnpWfQZFpwERI2drgjTvFkqfAjSTFLpBFfTdyidcLNNNbM9odBvYB86ywmZwVQz06CX67nQTZlgYFOoyIyNK%2bq%2bt7opQdBKJHRL8dg3t1H985YyNov5iNr4zl0z0mBDhFAi%2bVFByHa