Hanoi’s Old Quarter is a tumult of traffic ... the buzz of scooters and the chorus of horns in Hanoi, but Hoàn Kiếm Lake on the edge of the French Quarter is a kind of oasis.

Hà Nội has just introduced a pilot ban on vehicles with more than 16 seats entering the Old Quarter near the Hoàn Kiếm Lake area during peak hours starting on March 1. Travel agencies have expressed ...