- Highway 401 Improvements from Trafalgar Road to Regional Road 25 Preliminary Design and Class Environmental Assessment Study, W.O. 07-20024 (March, 2013) PDF 51.4 MB
- Highway 401 Improvements from East of the Credit River to Trafalgar Road, Preliminary Design and Class Environmental Assessment Study, W.O. 07-20021 (May, 2013) PDF 43.3 MB
- Replacement and Widening of Highway 401 Regional Road 25 Underpass, 5th Line Overpass and Oakville Creek West Branch Structures, Detail Design and Class Environmental Assessment Study DB-2014-2009 (August 2015) PDF 26.2 MB
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