The section of autoroute running between Nyon and Coppet will not have a fixed speed limit from the summer.
The levels of traffic will be continuously assessed and the limit set accordingly.
If all good, it will be at 120. But when heavier the limit will fluctuate and could go down to 80 at times.
The idea is it will make traffic smoother flowing and limit the risks of accidents due to sudden stopping cars.
Shock neck and neck opinion poll result
Voters are heading for a tight decision on immigration.
EU backs major unemployment benefit change
EU member states are backing a reform that could reshape unemployment benefits for frontaliers with significant financial implications for Switzerland.
Switzerland faces summer drought
Switzerland is facing a rapidly worsening drought, with eastern regions and northern Ticino now at high risk of forest fires.
Geneva migrants having to leave accomodation ahead of G7
Canton Geneva is having to find new accommodation for hundreds of migrants because of the upcoming G7 meeting.
US blames retail duopoly for difficult trade talks
Washington is turning up the heat on Switzerland in a growing trade dispute - blaming the retail duopoly of Migros and Coop.
Pension details to be online
Switzerland is moving to modernise its social insurance system.
