1,800-meter Wide, 5.2 Trillion VND Roadway to Connect Two Expressways in Hanoi
The Thang Long Highway, a 6.7 km stretch connecting National Highway 21 to the Hanoi - Hoa Binh Expressway, boasts a colossal investment of 5,200 billion VND (776 billion VND/km). Its remarkable 180 m cross-section width ranks among the widest in Vietnam.