Owner: Metrolinx
Client: Ontario Transit Group
Project: Ontario Line South Civil Contract
Description: The Ontario Line’s South Civil section is a $6 billon dollar design-build-finance project to build a 6 km twin-tube subway tunnel from Exhibition Station to the Don Yard portal. The project features one above-ground station at Exhibition, two underground stations integrated with TTC’s Osgoode and Queen stations, and four new underground stations at King/Bathurst, Queen/Spadina, Moss Park, and Corktown. The project aims to enhance transit connectivity, reduce congestion, and support economic growth, with completion expected by 2030.
Role: 4Sight’s role is to provide Utility Coordination and Subsurface Utility Engineering services to manage the risks associated with Utilities during the design phase of the project for the PPP construction Contractor.


In October, we hosted an Open House and welcomed our clients, partners, associates, and friends to celebrate the official opening of our head office at 2100 Forbes Street in Whitby! It was a wonderful afternoon of connection, conversation, and celebration, and it was made even more special as it coincided with our 5th anniversary as […]
Skill, precision, and teamwork—our Associates brought it all to the Locate Rodeo! At 4Sight Utility Engineers, we are proud to recognize our Associates for the many ways they contribute to advancing our industry. One recent highlight was the ORCGA Locate Rodeo, an annual event that showcases the skill, accuracy, and professionalism of utility locators from across […]
4Sight Head Office
2100 Forbes Street, Unit 1
Whitby, ON
L1N 9T3
126 Market Street
Commercial Unit#1 -
Philadelphia,
PA 19106
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