India, Jan. 17 -- GAIL (India) Ltd has completed the Mumbai-Nagpur Natural Gas Pipeline (MNPL), a 694-kilometre trunkline built almost entirely inside a 3-metre-wide utility corridor along Maharashtra's Samruddhi Mahamarg expressway, marking India's first major integration of a high-capacity pipeline into a dense transport corridor under the PM-GatiShakti framework.

Stretching across 675 km of expressway corridor, the pipeline posed unprecedented engineering and logistical challenges. Conventional pipelines typically require 20-30 metres of workspace; here, GAIL had to install a 24-inch high-capacity gas line within the width of an average footpath while simultaneously coordinating with expressway construction across multiple packages ma...