Pro tunely realizované v otevřené rýze je vykopána stavební jáma, která je obsluhována z povrchu terénu. Po dokončení stavby je stavební jáma zasypána a tunelové úseky jsou pokryty.
The previous text is in Czech. Here is a translation to English: With cut-and-cover construction for tunnels, an excavation pit is dug which is then kept supplied from above grade. After completion of the tunnel shell, the excavation pit is filled in again and the tunnel sections are covered with excavated soil.