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Motorists using the M50 and the Dublin Port Tunnel, along with a number of other motorways, will be hit with a toll increase starting next year. From January 1, 2026, Dublin Port Tunnel will see an increase of €1 for southbound traffic on Monday to Friday, 6am. to 10am, which will see the toll rise from €13 to €14. The object of this toll increase is to preserve capacity for HGVs, as Non-HGV traffic continued to increase in 2025 during peak periods. HGV’s and Buses are exempt from paying tolls at the Dublin Port Tunnel. All other tolls at Dublin Port Tunnel remain unchanged for 2026. There are ten toll roads on the National Road Network. Eight are operated under a Public Private Partnership (PPP) model and two are operated directly on behalf of Transport Infrastructure Ireland (TII), namely M50-eFLow barrier free toll, and the Dublin Port Tunnel. All categories of vehicles will experience an increase of 10 cents on the M50, except for unregistered motor cars without a tag or video account. Heavy goods vehicles exceeding 10,000kg holding a video account will have a 20 cent increase on M50. On the eight PPP model roads - M1, M3, M4, N6, M7/M8, M8, N18 Limerick Tunnel, and N25 Waterford - there is a 10-cent increase for buses, coaches and HGV’s, except for the M3, where HGV’s not exceeding 3,500kg's tolls remain unchanged. On the M4 Kilcock to Kinnegad, heavy goods vehicles exceeding 3,500kg will have a 20-cent increase. For cars on the eight PPP toll roads there no increase, except for M4 Kilcock to Kinnegad which will see a 10 cent increase. The tolling income collected by TII on M50 and Dublin Port Tunnel is combined with Exchequer funding to pay for TII’s annual protection and renewal of national roads. Operation, maintenance and lifecycle costs of the tolled sections of the motorway is funded by tolling income collected by eight PPP Co’s. Subscribe to our newsletter for the latest news from the Irish Mirror direct to your inbox: Sign up here .