National Route 51

Quốc lộ 51

Route information

Part of

Length

86 km (53 mi)

Major junctions

North end

in Long Bình Tân Ward, Biên Hòa

in Long Thành, Đồng Nai

and

South end

Location

Country

Highway system

←

QL 50

→

QL 52

National Route 51 (Vietnamese: Quốc lộ 51) is a four-lane highway starting from the city of Biên Hòa to Vũng Tàu in the Southeast region of Vietnam, passing Bình, Long Thành, Bà Rịa town. This is the backbone route linking Bà Rịa–Vũng Tàu province with Đồng Nai province and Ho Chi Minh City. With a total length of 85.6 km^{[citation needed]}, with of 15 to 23 km, this road includes 15 bridges, going through several important industrial parks of the Principal Economic Area of South Vietnam, an area which includes province in Southeast region. The towns along this road include: Long Thành (where Long Thanh International Airport is under construction), Tam An Town, Nhơn Trạch City, Phú Mỹ (an important electricity hub of Vietnam). This national road starts from the roundabout in Biên Hòa city, 20 km northeast of Saigon Bridge of Ho Chi Minh City.

Expressways

North–South	CT.01 North–South East CT.02 North–South West
Northern	CT.03 Hanoi–Hoa Binh–Son La–Dien Bien CT.04 Hanoi–Haiphong CT.05 Hanoi–Lao Cai CT.06 Haiphong–Ha Long–Van Don–Mong Cai CT.07 Hanoi–Thai Nguyen CT.08 Ninh Binh–Haiphong CT.09 Noi Bai–Bac Ninh–Ha Long CT.10 Tien Yen–Lang Son–Cao Bang CT.11 Phu Ly–Nam Đinh CT.12 Yen Bai–Ha Giang CT.13 Bao Ha–Lai Chau CT.14 Cho Ben–Yen My CT.15 Tuyen Quang–Ha Giang CT.16 Hung Yen–Thai Binh
Central	CT.17 Vinh–Thanh Thủy CT.18 Vung Ang–Cha Lo CT.19 Cam Lo–Lao Bao CT.20 Quy Nhon–Pleiku–Le Thanh CT.21 Da Nang–Thanh My–Ngoc Hoi–Bo Y CT.22 Quang Nam–Quang Ngai CT.23 Phu Yen–Dak Lak CT.24 Khanh Hoa–Buon Ma Thuot CT.25 Nha Trang–Da Lat CT.26 Lien Khuong–Buon Ma Thuot
Southern	CT.27 Dau Giay–Lien Khuong–Da Lat CT.28 Bien Hoa–Vung Tau CT.29 Ho Chi Minh City–Long Thanh–Dau Giay CT.30 Ho Chi Minh City–Chon Thanh–Hoa Lu CT.31 Ho Chi Minh City–Moc Bai CT.32 Go Dau–Xa Mat CT.33 Ho Chi Minh City–Soc Trang CT.34 Chau Đoc–Can Tho–Soc Trang CT.35 Ha Tien–Rach Gia–Bac Lieu CT.36 Hong Ngu–Tra Vinh
Belt	CT.37 Hanoi Ring Road 3 CT.38 Hanoi Ring Road 4 CT.39 Hanoi Ring Road 5 CT.40 HCMC Ring Road 3 CT.41 HCMC Ring Road 4

National Roads

North–South	QL.1 DHCM
Northern	QL.1B QL.2 QL.2B QL.2C QL.2D QL.3 QL.3B QL.3C QL.3E Ringroad 1 QL.4 QL.4A QL.4B QL.4C QL.4D QL.4H Đường nối cột cờ Lũng Cú QL.4E QL.4G QL.4H QL.4H3 QL.5 QL.5C QL.6 QL.6B QL.6C QL.6D QL.10 QL.12 QL.12B QL.12D QL.17 QL.17B QL.18 QL.18B QL.18C QL.21 QL.21B QL.21C QL.31 QL.32 QL.32B QL.32C QL.32D QL.34 QL.34B QL.37 QL.37B QL.37C QL.38 QL.38B QL.38C QL.39 QL.39B QL.43 QL.70 QL.70B QL.279 QL.279B QL.279C QL.279D QL.280
Central	QL.1D QL.7 QL.7B QL.7C QL.7D QL.7E QL.8 QL.8C QL.9 QL.9B QL.9C QL.9D QL.9E QL.9F QL.9G QL.9H QL.12A QL.12C QL.14B QL.14D QL.14E QL.14G QL.14H QL.15 QL.15B QL.15C QL.15D QL.16 QL.19 QL.19B QL.19C QL.19D QL.19E QL.24 QL.24B QL.24C QL.24D QL.25 QL.26 QL.26B QL.27 QL.27B QL.27C QL.28 QL.28B QL.29 QL.40 QL.40B QL.45 QL.46 QL.46 QL.46C QL.47 QL.47B QL.47C QL.48 QL.48B QL.48C QL.48D QL.48E QL.49 QL.49B QL.49C QL.49D QL.49E QL.49F QL.217 QL.217B QL.281 Nghi Son–Bai Tranh Trường Sơn Đông
Southern	QL.13 QL.13B QL.13C QL.14C QL.20 QL.20B QL.22 QL.22B QL.22C QL.30 QL.30B QL.30C QL.50 QL.50B QL.51 QL.51C QL.53 QL.53B QL.54 QL.55 QL.55B QL.56 QL.56B QL.57 QL.57B QL.57C QL.60 QL.61 QL.61B QL.61C QL.62 QL.63 QL.63B QL.80 QL.80B QL.80C QL.91 QL.91B QL.91C QL.91D QL.N1 QL.N2 Quan Lo–Phung Hiep Hành lang ven biển phía Nam