There are calls to make more space for buses on motorways and national roads.
Kildare Fine Gael Senator Anthony Lawlor wants the National Transport Authority to copy the layout used on the M1 to Belfast.
He's hoping to get a park-and-ride facility set up for commuters using the M7.
The NTA has already confirmed a feasibility study for bus lanes is to be conducted on the M4/N4
Green Party Transport Spokesperson Ciaran Cuffe says something has to be done to ease traffic congestion: