 Most major car journeys are made on the A35 autoroute, which links Saint-Louis on the Swiss border to Lauterbourg on the German border.The A4 toll road (towards Paris) begins 20 km northwest of Strasbourg and the A36 toll road towards Lyon, begins 10 km west from Mulhouse.Spaghetti-junctions (built in the 1970s and 1980s) are prominent in the comprehensive system of motorways in Alsace, especially in the outlying areas of Strasbourg and Mulhouse.