Handful of tollroads to get one-off price cuts but WestConnex toll to keep rising at least 4% a year

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The cost of using Sydney’s biggest toll road will continue to rise at least 4% a year after the multinational private operator was accused of blocking the state government’s push for sweeping reforms.

Only a handful of Sydney’s motorways will receive one-off toll cuts under a deal announced by the state Labor government on Monday, as the tolling bill footed by taxpayers surpasses $1bn.

Eleven of Sydney’s toll roads are run by Transurban, a $47bn company with operations in Victoria, Queensland and the US, with most under contracts granting exclusive operating rights into the 2040s or later.