For the first time, coloured concrete safety barriers are ensuring safety on German roads – and enhancing their visual appeal, too. Instead of drab gray, three sections in green, ochre, red and yellow blend perfectly into the Baden-Wuerttemberg landscape. The liquid colours used for colouring the cast-in-situ concrete are based on the weather-stable inorganic pigments from specialty chemicals company Lanxess. The K 1060 in the Böblingen region of Germany connects the ...