Construction of new two-level crossings with associated infrastructure in the area of LCS Ciechanów: railway viaduct at km 97.590; road viaduct at km 99.237; underground crossing at km 117.161; road viaduct at km 117.352 - executed under project named „Modernization of Railway Line E 65/C-E 65 at the section Warsaw – Gdynia, area LCS Ciechanów"