Dambulla to Polonnaruwa via bus:
From Dambulla bus station the bus leaves opposite the bus station. Catch bus number 48 / 48/3 or 48/12 or a local bus ask at station.
There are local buses which are cheaper run approx every 50 minutes start at 05:30 to around 21:00. If you want a A/C which is more expensive Bus Seat or Bus booking.
Make sure the bus conductor informs you when we reached the 'old town' of Polonnaruwa.