The Regional Council of Coquimbo -Core- had issued a statement last week that it would "not compromise" the site of the tunnel risking a delay of 15 years.

Julio Ortiz Andino, the San Juan Minister of Public Works has said that he supports the position of Core.

https://www.diariodecuyo.com.ar/economia/San-Juan-apoya-el-rechazo-de-Core-a-cambiar-ubicacion-de-tunel-Agua-Negra--20210619-0086.html