Road agency promises two lanes for Interamericana by Thursday

The nation’s road agency said that the Interamericana highway will be restored to two lanes Thursday at a place where a slide took away much of the road base.

The roadway collapsed Saturday at a place called El Vivero between Esparza and San Ramón. For a time traffic was rerouted.  Then a single lane was opened.

This is the major highway that has linked the Central Valley with the Pacific coast. The new San José-Caldera highway is taking some of the traffic.

The Consejo Nacional de Vialidad said that it was workmen putting in a draining system under the road that caused the slide. It said that the Laboratorio Nacional de Materiales y Modelos Estructurales at the Universidad de Costa Rica was being asked to investigate to determine why the collapse happened.

The agency said that eight other concrete drains under the roadway have been installed along the same route.

The agency said that there are 86 drains under the Interamericana Norte that are being replaced slowly. It added that the national road network is very vulnerable to these types of slides, washouts and collapses.

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