Project Snapshot
| Category | Details |
| Client | PNR Railworks |
| Project Name | Broadway Subway Project |
| Location | Vancouver |
| Date | 2024 – 2026 |
Project Overview
Introduction
The Broadway Subway Project is a 5.7 km extension of Metro Vancouver’s Millennium Line, adding six new underground stations between VCC–Clark Station and the new Arbutus Station along one of the region’s busiest transit corridors.
Underhill Geomatics supported PNR RailWorks in delivering precise rail alignment surveys for both inbound and outbound tracks, contributing to a key piece of infrastructure that will increase transit capacity and connectivity across the city.
Technical Highlights
- GEDO Trolley System used for high-precision rail measurement and alignment
- Integration of survey data with live construction workflows, enabling real-time adjustments
- Advanced shim analysis and reporting processes supporting final rail positioning
- Delivery of millimetre-level accuracy across a multi-kilometre corridor
- Scalable, multi-office resourcing model to support high-demand project phases
Project Impact
The Broadway Subway Project is a transformative investment in Metro Vancouver’s transit network, designed to improve capacity, reduce travel times, and connect key employment, healthcare, and residential areas.
Underhill’s work with PNR RailWorks contributed directly to the successful installation and alignment of critical rail infrastructure, helping ensure the system performs safely and efficiently once operational.
Beyond technical delivery, the project also highlights Underhill’s ability to:
- Support large-scale urban infrastructure projects
- Deliver high-accuracy survey solutions under demanding specifications
- Leverage collaborative, cross-office expertise to meet complex project needs
Conclusion
The Broadway Subway Project marks a major milestone in Metro Vancouver’s transit network, and Underhill Geomatics is proud to have supported its delivery. Through collaboration with PNR RailWorks and the application of advanced survey solutions, our team helped ensure the precise installation of critical rail infrastructure.
This project reflects Underhill’s ability to contribute to complex, large-scale transportation projects; resulting in safer, more efficient, and better connected communities.










