Transport Action Ontario has released a new report, over two years in the making, titled “Greater Toronto and Hamilton Area Regional Rapid Rail: A Vision for the Future“ that looks at converting the vast majority of the GO Transit rail network into a “surface subway” using Electric Multiple-Units (EMUs). This would serve most areas of the GTHA, from Hamilton to Durham to Simcoe. The report finds that capital costs are only 20% of the costs of conventional subway, while offering numerous benefits including significant operating cost savings by 2031.