There is no limit on the amount of currency that may be imported. But no more than 100,000 Esc or the equivalent of 500,000 Esc in foreign currency may be exported without proof that at least this much was imported.
Helmets are compulsory for motorcyclists and their passengers.
Tolls Vehicles are tolled based on the following classifications. Vehicle with 2 axles and an axle height, as measured vertically from the front axle, of more than 1.1 meters Vehicle with 3 axles or an axle height, as measured vertically from the front axle, of greater than 1.1 meters. A toll is levied on southbound vehicles crossing the 25 de Abril Bridge which links Lisbon with the south bank of the Tagus River at the end of the Vila Franca de Xira expressway. Major credit cards are accepted but entail a surcharge of 100 Esc. Leaded gasoline has an octane rating of 98.