There are 24,104 passengers using TFI Local Link services weekly in Sligo, Leitrim and Donegal.
The passenger numbers have more than quadrupled since 2022, with 21 key routes now in operation.
2024 is the third-year of a five year plan, with more proposed services to be introduced in the coming years.
While across rural Ireland, people are availing of the service more than 100,000 times a week.
