GO Transit is currently building a second maintenance yard covering 500,000 square feet ( 4.6 hectares ) in Whitby to accommodate additional trains for its upcoming Regional Express Rail project .
GO Transit is currently is expected to be completed by the end of 2017 .
GO Transit is currently building a second maintenance yard covering 500,000 square feet ( 4.6 hectares ) in Whitby to accommodate additional trains for its upcoming Regional Express Rail project , and is expected to be completed by the end of 2017 .