Carrigallen Transport is served by Bus Éireann once daily from Monday to Saturday. Different destinations are served each day. For example, route 463 travels to Longford along two different routes on Mondays and Wednesdays, route 465 serves Cavan on Tuesdays, route 464 serves Enniskillen on Thursdays and route 462 travels to and from Sligo along two different routes on Fridays and Saturdays.
During college terms, a bus service is operated on Sunday evenings by Geraghty Travel to Athlone IT, GMIT and NUI Galway. The service returns to Carrigallen on Friday afternoons. Local Link Donegal Sligo Leitrim operate route 573 twice daily to Ballinamore, with a third service on Fridays. One service each day extends to Drumshanbo.