Thought this was about, roads around Cmb, so din't reply
Even the road from Gampola to Nawalapitiya is an interesting one, a lot of turns and all, but smooth road.
And yeah i guess, now east coast has all the good roads, last week i went Trinco from Anuradhapura via Horawpathana, not a common road, this road is being rebuilt. After that, we went from Trinco to Pulmude to Kebithigollawa to Medwachchiya, this is a newly built road, was perfect for speeding, cruising whatever you want with endless stretches, no cops or much vehicles or even people, around kebithigollowa there were few patches which were at finishing stages.
And I guess the road from Trinco to Batticloa is also fully built now (we only went upto Kanniya or somewhere), am sure this would be a nice road as it might be laid out along the coastal line. And maybe, if the Jaffna road is done properly, that would be one awesome road