Delhi–Mumbai Expressway

Until National Expressway 4 came along, driving from Delhi to Mumbai meant nearly a full day behind the wheel on NH-48 — a route thick with truck traffic, town bypasses, and traffic-light-controlled junctions. NE-4 was conceived to change that calculation entirely. It is the flagship project of the Bharatmala Pariyojana's core economic corridor programme, built by the National Highways Authority of India (NHAI) through its special purpose vehicle, DME Development Limited.

What makes NE-4 different from an upgraded national highway is that it's access-controlled end to end — no traffic signals, no at-grade crossings, no unregulated entry points. Vehicles can only join or leave at designated interchanges, which is what lets private cars run at up to 120 km/h for the length of the corridor. That single design choice accounts for most of the roughly 12-hour travel time, down from the 24 or more hours the same journey used to take.

The corridor's route was also deliberately chosen to bypass the interior towns and city bottlenecks that slow down NH-48, cutting the effective driving distance by close to 180 km. Along the way it links some of India's fastest-growing industrial belts — Sohna and Faridabad in the National Capital Region, the Kota and Ratlam manufacturing corridors, Vadodara and Surat in Gujarat — directly to the JNPT container port outside Mumbai, giving freight operators a continuous, high-speed route from factory floor to shipping berth.

Building 1,386 km of expressway across six states, through desert, plateau, and coastal terrain, was never going to happen as a single contract. NHAI split the project into more than 50 separate construction packages, awarded to roughly 20 different contractors working in parallel, which is why some stretches have been open to traffic since February 2023 while others are still under construction today. This site tracks that progress package by package — see the Construction Status page for the current picture.