– Fill up with gasoline before crossing the border from Spain.
– Observe speed limits: 120 km/h on highways, 100 km/h on expressways, 50 km/h in urban areas.
– Carry reflective vest and warning triangles as mandatory in Portugal.
– Use electronic toll payment; prepaid or online options available.
– Get Via Verde for seamless passage on toll roads.
– Keep cash or credit card ready for manual payment.
– Mistakenly entered electronic toll lane? Pay online within 5 days.
– Seek help from service station employees or fellow drivers.