The Punjab government intends to widen all national and state highways with a deadline of January 2016, at an expenditure of Rs 3,080 crore.
A government spokesman said the work on nearly 400-km-long stretch was going on in full swing which would be completed by January 2016.
He said 230 km of national highways had already been six-laned in the past five years at a cost of Rs 1,460 crore.
Giving details, the spokesman said the NH-1 from Shambhu border to Jalandhar, NH-1A from Bhogpur to Mukerian, NH-15 from Pathankot to Amritsar and NH-95 from Ludhiana to Talwandi would be six-laned in the next three years.
He said the four-laning of NH-1 from Dhilwan to Amritsar at a cost of Rs 263 crore, NH-1 from Amritsar to Wagah border at Rs 206 crore, Jalandhar to Bhogpur at Rs 90 crore, and of Mukerian to Pathankot road at Rs 300 crore had already been completed.
He said the remaining stretch from Jalandhar to Dhilwan on NH-1 had been approved for six-laning, which would give a big push to trade activities between Doaba and Majha regions. Six-laning of NH-95 from Kharar to Ludhiana and four-laning of NH-21 from Kharar to Kurali had also been sanctioned and would to be completed by December 2015, he added.