"The Cabinet Committee on Economic Affairs is likely to give nod for declaration of 7,200 km of state highways as national highways in its meeting scheduled tomorrow," a source privy to the information said.
About 10,000 km of state highways were declared national highways during the last 10 years.
These roads, sources said, are spread across states including Andhra Pradesh, Madhya Pradesh, Bihar and Uttar Pradesh besides bordering areas like Leh and Laddakh regions.
The present length of the National Highways in the country is about 80,000 km.