- 2017 – SMRT Alternatives Final Report
- 2010 – Corridor Preservation Study
- 2009 – Southern Maryland Commuter Rail Service Feasibility Study
- 2008 – Southern Maryland Transportation Needs Assessment
- 2004 – MD 5/US 301 Transit Service Staging Plan
- 1997 – US 301/MD 5 Light Rail Feasibility Study
- 1996 – Southern Maryland Mass Transportation Study