They are due to rise again next year after an increase last month.
There are fresh calls to postpone raising toll charges.
They are due to go up again at the start of next year after a hike last month.
Motorists on the M7 were been met with a rise of 10 cent in July.
But the Junior Transport Minister has indicated the Government will consider deferring another increase.
Eugene Drennan from the Irish Road Haulage Association hopes it happens: