India, Sept. 21 -- Traffic police have been implementing phase one of its extensive "Hazard Mark" exercise by installing 300 crash tyre barricades at different locations in the city over the past three months, officials said on Friday. The three-phase project began with vehicle shock absorbers being placed at 45 locations at multiple stretches between Signature Tower in Sector 14 and Kherki Daula in Sector 84, along the Delhi-Jaipur-Gurugram expressway (NH-48), according to officials familiar with the matter.

Dr Rajesh Mohan, DCP Traffic, said that several critical points, intersections, city squares, and black spot areas were identified following an extensive study carried out by the Traffic Engineering Center (TEC) of these areas, incl...