Construction of Covelo Tunnel ( A42 - Picoto / Ermida Road Junction )

Designation of the Works

Construction of Covelo Tunnels ( A42 – Picoto / Ermida Road Junction )

Works Owner

AEDL – Auto Estradas do Douro Litoral, S.A.


Teixeira Duarte – Engenharia e Construções, S.A.


Road tunnel with large-section unidirectional twin galleries – 157 m2 and a 16,5 m span, housing a road platform 13 m wide. Covelo tunnel is 460 m long and is included in the Douto Litoral concession (Gondomar).


Covelo - Gondomar, Portugal

Start Date

April 2009

Execution Period

22 months