Hanoi approves plan on low-emission zone within Ring Road 1
The zone will cover the area within Hanoi’s Ring Road 1, encompassing nine wards: Hoan Kiem, Cua Nam, Ba Dinh, Giang Vo, Ngoc Ha, Tay Ho, O Cho Dua, Hai Ba Trung, and Van Mieu – Quoc Tu Giam.