Lane Divider are installed for numerous reasons and outcomes. Lane dividers can be installed to separate traffic lanes so that traffic cannot cross from one side of the road to the other. They may be installed to prevent vehicles from performing U-turns at a busy intersection. Lane Dividers may be installed to help guide traffic and to help maintain traffic flows. KELRYAN sales, installation and service – Sydney, Wollongong, Newcastle, Canberra, Sutherland, Campbelltown, Nowra and Ulladulla.