The National Transport Authority is also aiming to ensure private bus firms run low-floor buses by 2026
Dublin Bus has been fully accessible since 2013 -- but Bus Éireann services outside the capital have lagged behind.
The announcement follows criticism from the Disability Federation of Ireland and the National Bus and Rail Union.
Transport planners say it's a measure they're considering, as they consult with operators on how to improve access.
The National Transport Authority admits public transport for people with disabilities in rural Ireland is "patchy at best".
Go-Ahead Ireland to Create 400 Jobs Boosting Public Transport in Wicklow
Pat Devlin Calls Time After Four Decades With Bray Wanderers
Wicklow Musician Earns National Business Award For Merging Traditional Culture And Wedding Celebration
Wicklow CYPSC Launch Detailed Project Underlining Importance Of Sleep For Children
Visit Wicklow Digital Campaign Takes Home Prestigious IDI Award