InterBering, LLC: https://interbering.com/Bering-Strait-Tunnel-Plan.html

■ On the United States side the proposed Bering Tunnel would begin at Cape Prince of Wales in Alaska. The nearby city of Wales has a population of 156, paved roads and about 80 buildings including a large school, a general store and an airport. The other end of the undersea tunnel would emerge at the rural settlement of Uelen in Russia's Chukotsky District.

■ The railway line on the Russian side would continue on to the microdistrict of Ozyorny, located 8 miles (13 km) to the North of the Russian town of Egvekinot – which is a seaport on Kresta Bay. From there, skirting the nearby gulf, the railway would go to the cities of Anadyr, Magadan, Oymyakon and finally Yakutsk. There it would connect to the existing Baikal-Amur Mainline and the Trans-Siberian Railway systems. China and other Asian and European countries would all be accessible.

■ On the U.S. side the rail tunnel could be connected with Fairbanks, Alaska through the cities of Buckland, Huslia and Tanana – or through the slightly longer southern route via the city Galena on the north bank of the Yukon River, and then on to Tanana and Fairbanks.

A bridge and telegraph line proposal was prepared under the Lincoln administration prior to the sale of Alaska to the United States. Part of the purpose for the sale of Alaska to the United States was to promote a bi-lateral economic integration effort to counter the British Empire continuous attempts to surround and destroy Russia (state of geopolitics circa 1857).

The Russian government discussed the proposal in 1857 and 1858[6] and offered to sell the territory to the United States, hoping that its presence in the region would offset the plans of Britain. However, no deal was reached, as the risk of an American Civil War was a more pressing concern in Washington.[7][8]

https://en.wikipedia.org/wiki/Alaska_Purchase