The goal of the bachelor’s thesis is a study of a bypass around city Brtnice. Brtnice is situated in Vysocina 13km southeast from city Jihlava. The reason for a study of bypass on route II/405 is to divert the transit away from city center. Road bypass is important part of modernisation route II/405 from city Jihlava to Třebíč. There were designed three variants of the bypass. Variant A is connected on the north and heading west the walley is overcome on south and connected back to existing route. Variants B and C are heading to the east both continue the direction of II/405 and are connected to existing route II/405 on south directly straight. Variant B correspond to regional plan. Variant C is distinct from variant B by connection of route II/403 and II/4034 on east from city.