The reduced speed limit on the autoroute around Geneva will remain in place for the time being because the road surface is considered too dangerous at the moment.
The limit has been put in place by the Federal Roads Office after tests show in certain weather conditions it could be very slippery.
Engineers will test again in about a month. It could be the case the road will have to be resurfaced.
The limit runs between the Bardonnex border and the Vernier tunnel