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N2
N2
Dhaka–Sylhet Highway; Sylhet–Tamabil Highway
	Map of the N2 in red
Route information
	Part of AH1 AH2
	Maintained by Bangladesh Road Transport Authority
Length	287 km (178 mi)
Major junctions
South end	Kanchpur
	List N1 in Kanchpur; R201 in Tarabo; Z1090 in Borpa; R202 in Bhulta; N105 in Bhulta; R203 in Bhulta; R301 in Pachdona; R210 in Shahepratap; R211 in Itakhola; R360 in Bhairab; N102 in Sarail; R220 in Sarail; N204 in Jagadishpur; R240 & N204 in Shaistaganj ; N207 in Mirpur; R240 in Aushkandi; R241 in Syedpur; N207 in Sherpur;
North end	Tamabil
Location
Country	Bangladesh
Highway system
	Roads in Bangladesh;

The N2 is a Bangladeshi national highway connecting the capital Dhaka and the town of Tamabil in the Sylhet District at the Indian border. The route passes through the city of Sylhet, crossing the Surma River on the Keane bridge.^{[citation needed]} Sections of the highway are known as the Dhaka–Sylhet Highway and the Sylhet–Tamabil Highway. It is part of AH1 and AH2 in the Asian Highway Network.^[1]

A project is currently underway to upgrade the two-lane Dhaka–Sylhet–Tamabil highway, parts of which have been described as among the most accident-prone in the country, to six lanes.

N2 route

Division	Location	Destinations
Dhaka Division	Katchpur	N1
Dhaka Division	Bhulta	N105
Chittagong Division	Sarail Upazila	N102
Khulna Division	Jagadishpur	R140
Sylhet Division	Shaistaganj	N204
	Mirpur Bazar	N207
	Sherpur	N207
	Sylhet	N205 N208
	Jaintapur–Jaflong	AH1, AH2 –India, Myanmar

Significance

The significance of the Dhaka–Sylhet–Tamabil corridor lies in its status as the second most crucial highway in Bangladesh, serving as a vital route for regional connectivity and trade. This corridor is an integral part of the Asian Highway network.^[2] Sylhet, known for its potential in tourism and natural resources, hosts several industrial and economic zones. Expanding this highway will not only enhance trade with India's northeastern states, including Assam, but also establish sub-regional road connections and cross-border connectivity with China, Myanmar, and Bhutan.^[3]

The highway has been described as one of the most accident-prone in the country^[4] and the deadliest in the world.^[5]

Expansion

A project aimed at upgrading the two-lane Dhaka–Sylhet highway into six lanes, comprising four main lanes and two additional service lanes, was approved in February 2021 with a deadline set for December 2026. The estimated cost of the project, implemented by the Roads and Highways Department (RHD), is around ৳16918 crore (US$1.4 billion), with the Asian Development Bank (ADB) extending loan assistance of ৳13244 crore (US$1.1 billion). The total length of the road covered by the project is 209.328 kilometres (130.070 mi).^[5]^[6]

The RHD is also preparing to upgrade the 56.16-kilometre (34.90 mi) two-lane Sylhet–Tamabil highway to four lanes, including two additional service lanes. Despite approval in September 2020, delays in land acquisition and contractor selection have hindered progress. The ৳3528.24 crore (US$290 million) project is mostly funded by the Asian Infrastructure Investment Bank (AIIB), providing a loan of ৳2970.56 crore (US$250 million). Completion is expected by June 2025.^[7]