Vinci, Eiffage Shares Fall as France Proposes Major Hike in Motorway and Airport Taxes

Shares of French infrastructure giants Vinci and Eiffage fell sharply on Tuesday following a government proposal to significantly increase taxes on motorway and airport concessions. The plan, which aims to raise an additional €800 million in annual revenue, has sparked investor concern over the future profitability of the companies' core operations.

Market Reaction

In Tuesday trading, Vinci's stock dropped 2.8% to €108, while Eiffage shares declined 3.4% to €102.35, with both trading near their 52-week lows, according to a report from Investing.com. The sell-off contrasted with the broader French market, where the CAC 40 index was trading nearly flat.

Details of the Proposed Tax Hike

The French government announced its intention to raise the tax on long-distance transport infrastructure (TEITLD) as part of its 2027 budget proposal. The plan would introduce a progressive rate based on operator profitability, with the top rate increasing to as much as 12.2% from the current 4.6%.

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The proposal is expected to increase total annual proceeds to roughly €1.4 billion from the current €600 million. The tax applies to companies generating over €120 million in infrastructure revenue with average profitability above 10%. According to the government, the additional revenue is intended to fund the maintenance and modernization of existing transport infrastructure.

Squeezing Concession Margins

The proposed tax hike directly threatens the earnings of Vinci Autoroutes and Eiffage's motorway concession business, which are major profit centers. For context, Eiffage's APRR and AREA networks generated €1.46 billion in toll revenue in the first half of 2026.

Crucially for investors, the government stated it would prevent motorway operators from passing the higher tax on to drivers through increased toll prices. This move would force the companies to absorb the cost, directly impacting their margins, which are already affected by the existing tax. While motorway operators' pricing power appears limited, the government noted that airport operators may have greater flexibility to pass on the tax to customers.