Ttin Ttin Express Express Bus Terminal Branch is a restaurant on the first floor of the Gangnam Express Bus Terminal in Seoul that serves Vietnamese pho, banh mi, stir-fried pho, and curry. A basic pho, stir-fried pho, curry, and fried spring rolls can be ordered as a single meal. The basic pho and stir-fried pho are acceptable, and the seasoning is on the salty side. The spicy level is strong.