"The idea of bringing the two powers and the two continents closer together never died however, and the current leaderships of both Russia and the United States are clearly eager to revive it. In 2008, then Prime Minister Vladimir Putin approved the plan to build a railway to the Bering Strait as a part of Russia's infrastructure development plan to 2030. The development envisioned a 60-miles (almost 100 km) long tunnel between Chukotka in the Russian far east and Alaska for which Russia offered to put up 2/3rds of the required funding."

https://alexkrainer.substack.com/p/the-significance-of-alaska