Coming from south through A1 highway, you should exit it at Coimbra, and then take the IP3 towards Viseu until you reach the Nelas exit. In Nelas, follow the Seia direction, staying on the same road.

Coming from North through A1 highway exit in Albergaria and follow IP5/A25 towards Viseu / Vilar Formoso, until the Nelas exit. In there, follow the Seia direction, staying on the same road.