Highway 1 in Belarus is a major highway that runs through the country, connecting major cities and towns. It is a vital artery for the transportation of goods and services, providing a link between the capital city of Minsk and other major cities such as Brest and Grodno. The
From Wikipedia
The M1, Magistral Route Nr. 1, olimpijka is a main road crossing Belarus. It is a part of European route E30 and is the most important road in the country, connecting Moscow to Poland and Western Europe.