Can North Korea’s border bridges unlock Northeast Asia?

In September, Russia and North Korea opened their first road bridge across the Tumen River. Five weeks later, China and North Korea inaugurated the New Yalu River Bridge, linking Dandong in Liaoning province, China, and Sinuiju in North Pyongan province, North Korea, after more than a decade of delay. The crossings serve different borders and different markets, but together they reveal a shift: North Korea is restoring physical links with its two largest strategic partners. As China prepares to host November’s APEC summit in Shenzhen, a larger question emerges. Could transport links built amid geopolitical rivalry support a wider opening in Northeast Asia?

Pyongyang’s calculation is selective. Kim Jong Un wants access to trade, supplies and infrastructure while retaining tight political control and a nuclear deterrent. Russia values North Korea as a security partner following its military support for Moscow’s war in Ukraine; a road link gives that relationship another logistical channel. China seeks a stable neighbour, influence on the peninsula and renewed opportunities for its northeastern provinces. These interests overlap, even though the three governments have different long-term priorities. Their strategic convergence is now producing infrastructure that outlasts individual diplomatic encounters.

From economic linkages to greater physical connectivity

The region has an economic foundation to build on. Hunchun, in China’s Jilin province, sits near Russia’s Port of Zarubino and North Korea’s Rajin city, offering routes to the Sea of Japan for inland Chinese producers. Official Chinese figures put cargo through Hunchun’s border crossings at 3.38 million tonnes in 2025. Rail links through Suifenhe in Heilongjiang province, China, and the Russian Far East already move substantial freight. The possibility of connections to Sakhalin island, the North Pacific and Arctic shipping broadens the map, although these remain distinct routes rather than one integrated corridor. 

Economic returns, however, require more than bridges. The decisive measures are reliable cargo demand, customs clearance times, freight charges, insurance and predictable access to ports. Better use of existing railways and terminals may deliver gains sooner than expensive new megaprojects. Routes must attract trade that otherwise would be uneconomic, rather than merely diverting cargo from Dalian in Liaoning province, China, and Busan in South Korea or other established hubs. The distinction matters for public finances across a region with a long history of ambitious transport plans and uneven implementation.

Leverage for APEC economies 

The political stakes turn on who can participate. A network used mainly by China, Russia and North Korea could consolidate a continental economic sphere alongside their growing security cooperation. Wider access for South Korean, Japanese and other regional businesses could create interests that cross strategic divisions. The Greater Tumen Initiative offers an institutional starting point: China, Russia, South Korea and Mongolia participate, while North Korea, a former member, remains outside. That absence exposes the gap between the region’s new physical connections and its cooperative institutions.

Shenzhen offers an immediate diplomatic opening. At the 18-19 November APEC leaders’ meeting, Beijing plans to make connectivity a priority, alongside trade and innovation. North Korea is not an APEC member, so its participation cannot be presumed. Yet APEC economies can address transport facilitation, customs coordination and links between northeast China, Russian ports and wider Asian supply chains. China could also use meetings around the summit to sound out governments in a parallel dialogue with Pyongyang. A practical connectivity agenda would give diplomacy an economic purpose without requiring an immediate settlement of the nuclear question. 

Other players could contribute

South Korea has reasons to keep northern economic options alive. President Lee Jae-myung has called for renewed dialogue with Pyongyang, despite the North’s hostile response. Meanwhile, a South Korean container ship completed a round trip to Europe via the Arctic in October after coordinating passage through Russian waters. That voyage does not depend on North Korea, but it illustrates Seoul’s interest in transport links beyond its traditional southern sea routes. South Korean involvement could initially focus on lawful logistics and maritime cooperation involving China and Russia, leaving projects inside North Korea contingent on political and legal conditions.

Singapore could contribute a different kind of connectivity. Foreign Minister Vivian Balakrishnan visited Beijing, Pyongyang, Shenyang and Seoul in May. In Pyongyang, he invited North Korea’s foreign minister to attend the ASEAN Regional Forum (ARF), while later cautioning that its leadership appeared unready for major engagement. Singapore chairs ASEAN in 2027 and, alongside South Korea, will co-chair an ARF confidence-building and preventive diplomacy group. That combination offers a forum in which China, Russia, the US, both Koreas and other regional actors already have seats. Restoring sustained contact there would be a modest but measurable advance.

A workable sequence begins with projects that can proceed under existing rules: corridor feasibility studies, customs improvements, maritime safety and disaster-response coordination among willing participants. The Greater Tumen Initiative can supply an economic track, while the ARF supports confidence-building and crisis communication. Any later commercial projects involving North Korean entities must comply with UN Security Council sanctions, which restrict joint ventures, financing and many categories of trade. Pyongyang’s resistance to engagement also remains substantial. On 19 October, Kim Yo Jong, director of the General Affairs Department of the Workers’ Party of Korea and Kim Jong Un’s sister threatened additional measures along the southern border.

Northeast Asia now has more physical routes across its northern frontier and a rare sequence of diplomatic opportunities ahead. Neither economic geography nor summitry can erase the peninsula’s security disputes. But China can use Shenzhen to widen conversations, and South Korea and Singapore can help carry them into regional institutions in 2027. The lasting value of the new bridges will depend on whether governments turn strategic connections into shared, rules-based access — and give neighbouring economies a stake in keeping them open.

Related: Bilahari Kausikan: The Korean Peninsula and the future of East Asian geopolitics | Why does Beijing want North Korea’s Tumen River?