The Southern Ayodhya Bypass is a major road infrastructure development in Uttar Pradesh, designed to strengthen regional connectivity and improve transportation along NH-27. The project involves the construction of a 32.172 km, 4/6-lane highway with paved shoulders.

The project extends from Km 5.000 to Km 37.172, starting near Km 112.540 and ending at Km 153.281 of NH-27.

Developed under the Hybrid Annuity Mode (HAM) as part of NHDP Phase-VII, the project is being executed under the authority of the National Highways Authority of India (NHAI).

With a Bid Project Cost of ₹1,299.20 Crore and a construction period of 912 days, the project commenced on 28 March 2025, with scheduled completion on 26 September 2027.

The project includes major bridges, flyovers, minor bridges, railway overbridges, vehicular underpasses, interchanges, toll plazas and 24.600 km of service roads.

Once completed, the bypass is expected to strengthen highway connectivity, facilitate smoother transportation and support regional infrastructure development around Ayodhya.