The Federal Roads Office is working on a plan that would see a major widening of the autoroute between Perly and Vernier just after the Bardonnex border.
The route is often jammed at rush hour with thousands of frontaliers heading in and out of Switzerland.
The aim is to build three more lanes, extend two tunnels and dig another.
64,000 m2 of forest would have to be cleared.
The plan has yet to be given the final go-ahead, but the Confederation and the canton are backing the idea.
Geneva could foot the G7 bill
Geneva fears it will be left with the security bill from a G7 summit just across the border in Évian, according to 24 heures.
US NGO discovers Swiss child abuse cases
Switzerland relies too heavily on an American NGO to detect child sexual abuse online, raising questions about the country's ability to protect children on its own.
French singer banned by Paleo
The Paléo Festival in Nyon says it will no longer invite French singer Patrick Bruel, after a former volunteer accused him of inappropriate behaviour.
Cars going uninspected
The cantons are struggling to keep up with mandatory vehicle inspections, leaving more than 550,000 checks overdue nationwide.
War may lead to rent rises
Rents may rise again, says the bank Raiffeisen.
Not a heatwave, yet
Summer has arrived, with temperatures climbing past 30 over the long weekend. Basel reached 31 and Sion hit 32.4, but MeteoSwiss, says this does not yet count as an official heatwave.
