3D Model for Seamless Expressway Construction

Set to become India’s longest inter-state road, the Delhi-Mumbai expressway spans about 1350km in length. On the cue to launch in March 2023, the expressway crosses 6 states namely, Delhi, Haryana, Rajasthan, Madhya Pradesh, Gujarat, and Maharashtra.

The highway will cut travel time from 24 hours to 12 hours. Larsen & Toubro is responsible for designing and building a 23.7-kilometer section between Mumbai and Vadodara. Their initial plan rapidly became complex because they had to build around an unstable ravine and design interchange loops and ramps with toll plazas to connect the existing highways.

Solutions

Bentley System’s OpenRoads Designer helped them create a 3D model of the project. The

With OpenRoad Designer software, we could reduce our resources by 25 percent for such projects of 24 kilometres of expressway. This collaborative BIM model has enabled avoiding errors and also avoiding revisions, thereby, huge amount of time has been saved in delivery.

Subramanian R, DGM, EDRC L&T Transportation Infrastructure

Challenges

1. The ravine landform escalated the topographical challenge. 2. Required a sophisticated system to manage and develop all the scenarios beforehand. 3. To minimize environmental and organisation disturbances.

application allowed them to accurately model the undulating land in the ravine, which assisted with cross-drainage structure placement.

OpenRoads Designer was used to simplify the interchange layout and resolve any clashes with existing roads and structures, reducing construction design by 1.5 months. The new expressway will reduce vehicle operating costs and travel time by 50 percent.