Switzerland is moving closer to introducing a transit tax for foreign vehicles crossing the country.
Parliament has overwhelmingly approved a motion by Swiss People's Party Senator Marco Chiesa, with 173 votes in favor.
The proposal would see drivers charged a variable fee depending on traffic levels, time of day and congestion, in a bid to ease pressure on the autoroute network.
Supporters say the measure could cut gridlock and raise over 100 million francs annually.
But Transport Minister Albert Rösti warns it would be complex and costly to enforce, requiring extensive border monitoring.
The Federal Council must now draft detailed legislation.
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