Heavy goods vehicles will see an additional fee of up to 50 cent from January.
Further increases to the country's tolls will force hauliers onto regional roads, according to the Irish Road Haulage Association.
Transport Infrastructure Ireland announced yesterday heavy goods vehicles will be hit with an additional fee of up to 50 cent on toll roads around Ireland, including the M50, the M7, M8 and N6.
It's the second price hike in the space of the year, while cars and motorbikes will also see an extra 10 or 20 cent on the price of their commute.
President of the IRHA and Rosenallis' Ger Hyland, of Hyland Transport, says it's another attack on rural businesses:
The Taoiseach has warned Ireland faces legal challenges if it breaches contracts with companies operating motorway tolls.
Motorists face another hike in toll charges next month, which Transport Infrastructure Ireland says is related to inflation.
Previously, the Government deferred increases from taxpayer funding.
Taoiseach Leo Varadkar gave a warning to Sinn Fein leader Mary Lou McDonald over her party's stance on the issue:
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