Plans had been shelved in February due to a shortage in capital funding.
The Taoiseach says funding will be allocated to a major road project in the midlands, if the 'savings arise.'
The government is facing repeated calls to upgrade the N4 from Mullingar to Roosky, plans for which were shelved in February due to a shortage in capital funding.
Leo Varadkar says he can't make any promises, but he's not ruling out funding for the project coming down the pipeline in the future: