The Centre is working on road projects worth Rs 50,000 crore to decongest the national capital and to reduce pollution in the city.
"We are working on road projects worth Rs 50,000 crore for Delhi," he said.
The Centre is developing Dwarka Expressway with a cost of Rs 10,000 crore.
"Pollution will be less in Delhi in the coming years," the road, transport and highways minister said.
Over the query on delay and cost overrun on highway projects, Gadkari said the government has found a solution for the same and "Now, the speed has increased".