Beside traditional noodle, Fresh spring roll (Phở cuốn) and Fried noodle (phở chiên phồng) is also famous widely in Hanoi especially with youth. the dish consists of deep fried thick noodle+ stir-fired veggies + beef slices. Yummy!
Ngũ Xá is the name of a street which specialize for this dishes, almost all the restaurants in this street offer Phở cuốn and Phở chiên phồng. Hương Mai, Hưng Bền or Duy Tân are well known options here!