A thin layer of concrete over a bituminous road can prevent potholes, a senior official of the state government said on Tuesday.
The concrete layer, which can be five to eight inches in thickness, can extend the life of a road by over two decades, said Srikumar Bhattacharya, who heads the finance department’s project clearance committee. The concrete layer will have to be laid on a road surface that is in good condition.
Road engineers said white topping — the technical term for laying the concrete layer — was different from building a concrete road.
Bhattacharya, a former engineer-in-chief of the PWD, said the EM Bypass was the perfect road for white topping.