GURUGRAM: To prevent cyclists, stray animals and small vehicles from falling into a stormwater drain along the Delhi-Gurugram Expressway (NH-8), NHAI is replacing 10,000 bollards on the highway with W-beam crash barriers.Work on removing bollards from the Delhi leg of the expressway started last month, and has now reached Gurugram.Bollards are short vertical posts installed along a road to limit vehicular movement to the carriageway. A W-beam crash barrier is a wavy metal rail running along the length of a road which catches a car’s bumper in case of a collision and helps keep it from going over the top of the rail. While the crash barriers have already been placed all along the 28km expressway, they will now be placed along service roads as well after all bollards are removed. This is part of a series of several small projects along the expressway.Bollards were first installed when NH-8 was launched in 2008. However, some of the bollards got broken over the past decade, creating gaps through which stray dogs and cows, cyclists and cars often fell in the drain, Col Subhash Yadav, general manager of the expressway operator Skylark, said.

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