IC 17 CRIL Grilo Tunnel | Plena Via and Sacavém viaduct on the IC17-CRIL

The biggest Portuguese road project of the 90s is concluded, the construction of the IC17 CRIL – Olival de Basto / Sacavém section and the connection to Frielas, that included a twin tunnel in Grilo, a key roadway project for Greater Lisbon.