# Hanoi–Lao Cai Expressway

The Hanoi–Lao Cai Expressway Another name Noi Bai–Lao Cai Expressway (Vietnamese: Đường cao tốc Nội Bài - Lào Cai, labelled CT.05) is an expressway section of the Expressways of Vietnam, 265 km long and has its starting point at the intersection of National Highway 18 with National Highway 2 in Thanh Xuân commune, Sóc Sơn district], Hanoi city and the end point at Duyên Hải ward, Lào Cai, Lào Cai province, connecting with G8011 Kaiyuan–Hekou Expressway at Lào Cai International Border Gate. This Expressway is part of the Asian Highway Network (AH14) and Transport infrastructure development project Kunming–Hanoi–Hai Phong economic corridor.
This route passes through 5 provinces and cities: Hanoi (12 km), Vĩnh Phúc (40 km), Phú Thọ (62 km), Yên Bái (65 km) and Lào Cai (83 km).

## Construction

Construction on the expressway began in 2009 with a total investment of US$1.46 billion. The Asian Development Bank provided a US$1 billion loan for development of the expressway. South Korean Posco Group won 3 of the 8 bids, China's Guangxi Road & Bridge Engineering won 2 bids and Vietnamese Vinacomex won one.
When it opened on 21 September 2014, it was the longest expressway in Vietnam. The Yên Bái to Lao Cai section of the route was opened as a two-lane expressway, the section between Yen Bai and Hanoi being a four-lane dual carriageway.

## Route details
### Lanes

* Noi Bai–Yen Bai section: 160km long, with 4 lanes, 2 emergency lanes, maximum speed of 100km/h (from Km0+00 to Km123+080). There are 2 lanes in each direction, each lane is 3.75m wide and an emergency lane is 3m wide.
* Yen Bai–Lào Cai section: 83km long, with 2 lanes, 2 emergency lanes, maximum speed of 80km/h. There are 1 lanes in each direction, each lane is 3.5m wide and an emergency lane is 2.5m wide. Every 8–10 km, there is a 1km-long 4-lane section for vehicles to pass each other.

### Length

Total route length: 264 km

### Speed

* 2-lane section: Maximum: 80km/h, Minimum: 60km/h
* 4-lane section: Maximum: 100km/h, Minimum: 60km/h (section Lào Cai City - Lào Cai international border gate Maximum: 90km/h, Minimum: 60km/h)
According to design, the maximum speed is 120 km/h. VEC will allow vehicles to run at a maximum speed of 120 km/h when ensuring safe conditions along the entire route.

## List of interchanges and features

* IC - interchange, JCT - junction, SA - service area, PA - parking area, BS - bus stop, TN - tunnel, TB - toll gate, BR - bridge
| No. | Name | Dist. from Origin | Connections | Notes | Location | Location |
| Connect with Noi Bai–Bac Ninh–Ha Long Expressway ( National Route 18) ||||||||
| 1 | Nội Bài JCT | 0.0 | Noi Bai–Bac Ninh–Ha Long Expressway National Route 18 National Route 2 Võ Văn Kiệt road (to Hanoi Center) Nội Bài International Airport | | Hà Nội | Sóc Sơn |
| 2 | Ring Road 4 IC | 3.7 | Ring Road 4 (Hanoi) | Planned | Hà Nội | Sóc Sơn |
| TG | Toll Gate Km6 | 6 | | | Hà Nội | Sóc Sơn |
| 3 | IC.02 | 7.9 | Nguyễn Tất Thành Road | Planned | Vĩnh Phúc | Phúc Yên |
| 4 | Bình Xuyên IC | 14.0 | Provincial Road 310 | | Vĩnh Phúc | Bình Xuyên |
| SA | Phước An SA | | | | Vĩnh Phúc | Bình Xuyên |
| 5 | Tam Đảo IC | 25.0 | National Route 2B | | Vĩnh Phúc | Tam Dương |
| 6 | IC.05 | 31.4 | National Route 2C | Planned | Vĩnh Phúc | Tam Dương |
| BR | Phó Đáy Bridge | ↓ | | Phó Đáy River crossing | Vĩnh Phúc | Boundary Tam Dương–Lập Thạch |
| 7 | Văn Quán IC | 40.9 | Provincial Road 305C | | Vĩnh Phúc | Lập Thạch |
| BR | Sông Lô Bridge | ↓ | | Lô River crossing | Boundary Vĩnh Phúc–Phú Thọ | Boundary Vĩnh Phúc–Phú Thọ |
| 8 | Việt Trì IC | 49.4 | Phù Đổng Road | | Phú Thọ | Việt Trì |
| 9 | Phù Ninh IC | 54.9 | National Route 2 | | Phú Thọ | Phù Ninh |
| SA | Service Area Km57 | 57 | | | Phú Thọ | Lâm Thao |
| 10 | Phú Thọ IC | 66.3 | Tuyên Quang–Phú Thọ and Phú Thọ–Chợ Bến HCM Road | | Phú Thọ | Phú Thọ |
| BR | | ↓ | | Hanoi–Lào Cai railway crossing | Phú Thọ | Thanh Ba |
| BR | Hồng River Bridge | ↓ | | Hồng River crossing | Phú Thọ | Boundary Thanh Ba–Cẩm Khê |
| 11 | Sai Nga IC | 81.5 | National Route 32C | | Phú Thọ | Cẩm Khê |
| 12 | Hạ Hòa IC | 98.6 | National Route 70B | | Phú Thọ | Vô Tranh |
| 13 | Yên Bái JCT | 114.8 | Âu Cơ Road | | Yên Bái | Trấn Yên |
| SA | Service Area Km117 | 117.5 | | | Yên Bái | Trấn Yên |
| 14 | IC.13 | 121.4 | National Route 37 | Under construction | Yên Bái | Yên Bái |
| BR | Ngòi Rào Bridge | ↓ | | Ngòi Rào crossing | Yên Bái | Trấn Yên |
| BR | Ngòi Thia Bridge | ↓ | | Ngòi Thia crossing | Yên Bái | Văn Yên |
| 15 | Mậu A JCT | 150.0 | Provincial Road 166 | Connect with Yên Bái - Hà Giang | Yên Bái | Văn Yên |
| 16 | IC.15 | 166.3 | Provincial Road 166 | Planned | Yên Bái | Văn Yên |
| SA | Service Area Km171 | 171.5 | | | Yên Bái | Văn Yên |
| TN | Noi Bai–Lào Cai Expressway Tunnel | ↓ | | Completed the 500m long tunnel, phase 1 | Yên Bái | Văn Yên |
| 17 | Văn Bàn JCT | 199.9 | National Route 279 | Connect with Bảo Hà–Lai Châu | Lào Cai | Văn Bàn |
| BR | Nhù Bridge | ↓ | | Nhù Stream crossing | Lào Cai | Boundary Bảo Yên–Bảo Thắng |
| 18 | Phố Lu JCT | | National Route 4E | | Lào Cai | Bảo Thắng |
| 19 | Xuân Giao IC | 234.0 | National Route 4E | | Lào Cai | Bảo Thắng |
| TG | Toll Gate Km237 | 237 | | Toward Lào Cai | Lào Cai | Bảo Thắng |
| SA | Service Area Km237 | 237 | | | Lào Cai | Bảo Thắng |
| TG | Toll Gate Km237 | 237 | | Toward Nội Bài | Lào Cai | Bảo Thắng |
| 20 | Cam Đường JCT | 245.0 | Bình Minh Road | | Lào Cai | Lào Cai |
| TN | Tunnel | ↓ | | Toward Lào Cai | Lào Cai | Lào Cai |
| 21 | National Route 4D JCT | 256.0 | National Route 4D | | Lào Cai | Lào Cai |
| 22 | Kim Thành JCT | 264.4 | Khúc Thừa Dụ Road | | Lào Cai | Lào Cai |
| Connect with Kaiyuan–Hekou Expressway through to Hekou - Lào Cai International Border |||||||
| 1.000 mi = 1.609 km; 1.000 km = 0.621 mi Closed/former Proposed Incomplete access Route transition Unopened |||||||