This paper lists difficult railway construction conditions that are typical for the northern areas of the Russian Far East.Permafrost-bound issues of railway and highway construction and operation are described.Some of the authors’developments for subgrade stabilization in the foregoing conditions are given as examples. This paper lists difficult railway construction conditions that are typical for the northern areas of the Russian Far East. Permafrost-bound issues of railway and highway construction and operation are described. Home of the authors’ developments for subgrade stabilization in the late conditions are given as examples.