Shedden's growth occurred when the Canada Southern Railway was built, bypassing Fingal. Later it was joined by the Pere Marquette railway, still further boosting Shedden's importance. Both railways are now defunct. Talbotville is situated at the intersection of highways 3 & 4, two of the oldest roads in the region.
The township is home to the Green Lane Landfill site, a large dump recently purchased by the City of Toronto. Waste from Toronto is expected to be shipped to the site in 2010. Southwold was also home of the Ford St. Thomas Assembly plant until its closure in 2011.