in Quảng Uyên, Yên Mỹ, Hưng Yên in Ân Thi, Hưng Yên in Gia Lộc, Hải Dương in An Lão, Hải Phòng in Tràng Cát, Hải An, Hải Phòng Hanoi–Haiphong Expressway (Vietnamese: Đường cao tốc Hà Nội - Hải Phòng, labelled CT.04) is one of Vietnam's controlled-access highways, running for 105.5 kilometres (65.6 mi) connecting Hanoi to Haiphong.

The expressway is a major freight corridor for Vietnam's Northern Pivotal Economic Region as well as the Kunming-Hanoi-Haiphong Economic Corridor.

[citation needed] The six-lane expressway was developed under build-operation-transfer contracts.

The construction of the expressway was started on 2 February 2009[1] and finished on 5 December 2015.

[citation needed] The West end of the expressway is at the north of Thanh Trì Bridge in Hanoi and the East end at Đình Vũ Dike in Haiphong.