The company says the policy will be implemented from May 25th.
Passengers travelling on the town link service in the midlands are being asked to wear face masks.
Slieve Bloom Coaches says from May 25th people without a mask won't be allowed to travel on the service.
The company says its for the safety of those on the bus and local communities.
The routes include Portlaoise to Tullamore via Mountmellick or Portarlington, Portlaoise to Borris-In-Ossory, Tullamore to Mullingar and Kilkenny to Portlaoise.
Planning Permission Approved For New 800 Pupil Secondary School In Midlands
Annual Rose Of Tralee Tour Underway
Longford-Westmeath TD Urges Action On Vacant HSE-Owned Buildings
Taoiseach Backs Offaly Camino Proposal
Laois Pride Launch Writing Competition In Memory Of Joe Drennan
Laois Truck Driver Arrested For Driving Overweight Truck Under Influence
Offaly Business Closed Over Food Safety Breach
Gardai Continuing Laois Meadow Fire Investigation