sentences:  Originally terminating at Erb Street in what is now Uptown Waterloo, the line ran south all the way to Galt (via Freeport and Preston), ending at Galt's Main Street, where it joined with the Lake Erie and Northern Railway, which connected Galt with Port Dover via Brantford.The Grand River Railway was popular with passengers during the period bookended by the two world wars, but suffered from several problems in the 1950s.Increased suburbanization in the area drew populations of commuters into new suburbs which weren't served by the railway, and corresponding increased automobile traffic caused problems due to the GRNR's numerous at-grade crossings, an issue shared by the Iron Horse Trail today.