Primary Roads

Line feature

###highway=primary

Road corridors that carries a huge volume of traffic between arterial roads and has a high density of public transport services.

These roads often connect two relatively distant localities in urban areas. The lanes=* key should be used to specify the total number of traffic lanes.

http://i.imgur.com/KYblo2y.png?1
http://i.imgur.com/U41aEDT.png?2