- Capital Beltway Studies
- Overview of the organized project that includes historical profile and the planning process.
- Central PA/MD Roads
- Description of the route logs in various roadway systems. Also includes overview of construction.
- DC Roads.net
- Profiles the featured roads with listing of exit points, traffic conditions, and other relevant information.
- Roads to the Future
- Archive of articles presenting description of featured interstate highways and roadway systems as well as transportation projects.
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