Muiderberg Netherlands The Zandhazen bridge over the A1 motorway. The railway bridge is an arch bridge and has the longest span in the Netherlands. In the middle of the A1 a switch lane, which was once intended to be a carpool lane; a project that turned out to be legally invalid. Muiderberg The Netherlands The Zandhazen bridge over the A1. The railway bridge is an arch bridge and has the longest span in the Netherlands. In the middle of the A1 an alternating lane, which was once intended as a car pool lane; a project that turned out to be legally invalid.Muiderberg Niederlande Die Zandhazen-Brücke über die A1. Die Eisenbahnbrücke ist eine Bogenbrücke und hat die längste Spannweite in den Niederlanden. In der Mitte der A1 eine Wechselspur, die einst als Fahrgemeinschaftsspur gedacht war; ein Projekt, das sich als rechtlich ungültig herausstellte.