network for bicycles in Vietnam

I think the roads would qualify if: They have a low speed limit, and bikes can travel separated from larger vehicles like cars and trucks. I would recommend taking some photos of the streets to include with your  LEED submission, and explaining that the mixed bike/motorbike traffic is the norm where your project is located. The bike network definitions are based on U.S. bike infrastructure and don't always translate well to other countries where there is more bike riding without formal bike infrastructure. So you will need to do a little extra work to show the reviewer that your project meets the intent of having a safe and usable way for cyclists to access the project even if the definition doesn't fit exactly.