roads bridges 34 ground communication constructions 34 asphalt 31 civil engineering 31 silniční stavby 30 pozemní komunikace 26 more ... transport constructions 22 road transport 19 surface 17 motorways 16 construction materials 16 concretes 15 ground structures 15 road communications 14 railway structures 14 history 12 stavební inženýrství 12 maintenance 12 local roads 11 transport 11 tyres 11 concrete constructions 10 road machines 10 chassis 9 traffic safety 9 tunnels 9 streets 9 zemní práce 9 repairs 8 less ...