The D1 highway is the most important traffic route in the Czech Republic, it connect the three biggest cities in the country: Prague, Brno and Ostrava.
The D1 highway, category 26.5/120 at km 32.800-48.884 (the main route length of 16.084 km) has a cement-concrete cover. In the places with high fillings and bridge structures there is an asphalt cover.
Other structures: 12 highway bridges, 5 overpasses above the highway and 5 bridges on service roads, 9 relocations of Class I,II and III roads, 7 field roads, 1 supporting and 7 anti-noise walls, 4 anti-noise earth embankments, 20 water management structure relocations, 17 relocations of power networks and 3 gas line relocations.
