Linear feature #### Highway = Primary:
A Regional Highway (primary) is the classification for all primary roads in Bangladesh as defined by the Roads and Highways Department of the Ministry of Communications (RHD). For a breakdown of the proposed road conventions in Bangladesh please reference the Bangladesh OSM wiki.
Regional Highways are paved, often do not have road surface markings, and are wide enough to support two lane traffic.
For additional information reference this list of roads and highways in Bangladesh.