Welcome to Center for Dirt and Gravel Road Studies

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What's New

The updated handbook includes the Aggregates 101 Technical Bulletin released...

The current cutoff values for project deliverables. Helps indicate potential...

List of attendees from past trainings. Townships in PA are required to have...

Visit the Products page to download the updated...

Upcoming Events

Jan 26
Visit the ESM Course page for detailed information and to register...
Jan 28
Visit the Conservation District Administrative Training page for...
Feb 11
Visit the Webinars page for detailed information.
Feb 16
Visit the ESM Course page for detailed information and to register...