A "sealed road" refers to a paved road with a solid and smooth surface, usually made of asphalt or concrete. It is called "sealed" because it is covered or sealed with a layer that provides a durable and even driving surface. Full definition
Travel 1 km on sealed road then 1.5 km on gravel. (alluxia.com)
For photographic, wildlife and bird watching enthusiasts, this is a dream drive on a fully sealed road - suitable for a two - wheel - drive vehicle. (darwininfo.com)
A tar sealed road serves as the one main highway, connecting most of the villages with local buses reaching most settlements. (wavehunters.com)