New City Centre FREE bus

"You can hop on and off the 'Free b' as many times as you wish. The 'Free b' service follows a circular route that travels anti-clockwise around the city centre linking

Churchill Way
Windsor Lane
Greyfriars Road (opposite New Theatre)
Greyfriars Road - (Hilton Hotel)
Castle Street
Westgate Street opposite stadium nearest Castle
St Mary Street Golate north
St Mary Street Golate south
Central Bus Station D1A
Wyndham Arcade
Canal Street
David Street (from November)
Churchill Way (Capitol Centre)

The 'Free b' service operates every 10 minutes - 7 days a week "

http://www.cardiff.gov.uk/content.asp?nav=2865,2870,4048,4187,5825