Ministry of Road Transport & Highways is planning to take up four laning of the Numaligarh-Jorhat section in Assam. The project involves four laning of Numaligarh to Jorhat section from 402.50 km to 453 km of NH-37 except construction of Dergaon Bypass from 426.800 km to 437.420 km in Assam, under SARDP-NE, Phase-A. As of May 2014, bids have been invited for executing the project.