Complex sentence: The 128 bus, relatively new (2008), travels from Rathmines to Clongriffin, offering cross-city travel, while most, radial, lines travel from suburbs only to the city centre.
Split into simpler sentences: The 128 bus, relatively new (2008), travels from Rathmines to Clongriffin. Most city bus services operate as spokes that travel from suburbs only to the city centre.