Train on the Lakeshore West Line

Lakeshore West Line GO Expansion


Before a construction project can begin, Metrolinx undertakes various studies to help make decisions about the project. These studies include a business case, which presents evidence and analysis to explain why a project should be built, and an environmental assessment, which identifies potential impacts of a project and proposes ways to avoid, reduce or minimize them.

The following studies and reports were undertaken to support major work required to implement the GO Expansion program on the Lakeshore West Line.

Business Cases

GO Expansion Full Business Case (2018)

Read the GO Expansion business case

Beamsville Initial Business Case (2020)

Initial Business Case for a new Beamsville GO Station

GO Rail Niagara Service Extension (2015)

Initial Business Case for GO rail service to Niagara

Park Lawn Initial Business Case (2020)

New Station Updated Initial Business Case for Park Lawn GO Station

Environmental Assessments

Park Lawn GO Station

Read the technical report about Park Lawn GO Station.

Niagara Rail Service Expansion

Read technical report for the Niagara Rail Service Expansion

GO Electrification

Read the technical report for GO Electrification.

Burloak Drive Grade Separation

Read technical report for the Burloak Drive Grade Separation.


Find out what we mean when we talk about some of our reports, studies and processes.

A business case is a report that is written to explain why a project should be built. It includes the benefits that a project would deliver, as well as potential risks. Metrolinx creates business cases for major projects to secure approval before moving on to detailed project studies, such as the Transit Project Assessment Process. Business cases provide evidence to decision-makers, stakeholders, and the public as a crucial part of transparent and evidence-based decision making processes.