Welcome to Center for Dirt and Gravel Road Studies

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What's New

2021 Municipal Fact Sheet

Updated two page summary of DGLVR Program for municipalities and other...

Updated: Driving Surface Aggregate (DSA) Handbook

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

DGLVR GIS Error Cutoff Values for Project Deliverables

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

Updated: ESM Eligibility List

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

Upcoming Events

Mar 9
Webinar: March SCC Meeting
In order to facilitate the PA State Conservation Commission Meeting,...
Mar 11
Webinar: Annual Summary Report Overview
Visit the Webinars page for detailed information.
Mar 18
Webinar: Start of DSA season
Visit the Webinars page for detailed information.
Mar 23
Online ESM Training
Visit the ESM Course page for detailed information and to register...

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