15 | 06 | 2012
This work consists of a road that develops to the North of the famous Marão tunnel, thus enabling the link between the IP4 and the Via Transmontana (Transmontana road). The work consists of five viaducts, of which two to be pointed out due to their size; the viaduct near Amarante and the viaduct over the Sorgo.
In these last two, the pumping was carried out using stationary equipment and pipe.