[Qgis-user] How to edit polyline road and add polyline

[Khangaikhuu uvgunkhuu]

I'm new in QGis. I would like to ask you, whether it is possible to edit some roads on the Qgis.My case is 1) Edit road polyline2) Add some type of polyline roads3) Make the new road routeable like other roads.
Any help would be appreciated 

Thank you very much
Uvgunkhuu Khangaikhuu
 		 	   		  
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