Gravel Road Maintenance/Dust Control (CTAP)
This CTAP workshop instructs participants in the correct methods of gravel road maintenance and provides them with an opportunity to view gravel gradation on material obtained from their areas. It also explains the structure of a gravel road and introduces participants to some of the specialized products and equipment used to maintain gravel roads. The different Mn/DOT classifications for road-building materials, including the new Class 7 for salvaged and recycled aggregate mixtures, will be covered.
Date & Location
Not currently scheduled.
Arranged, approximately 3 hours.
- Causes of washboarding, rutting, and frost boils
- Importance of proper drainage
- Smoothing and reshaping
- Creating proper crown and shoulder
- Shoulder maintenance
- Equipment needs
- Mn/DOT soils classifications
- “Good” gravel versus “bad” gravel
- Options for using recycled products with the gravel
Who Should Attend
Street or road superintendents, supervisors, and roadway maintenance workers responsible for gravel road construction or maintenance.
- 0.5 Roads Scholar Program elective credit.
- To the best of our knowledge, this course/activity meets the continuing education requirements for 4.0 PDHs as outlined in Minnesota Statute 326.107. More information concerning continuing education for professionals is online.
This workshop is presented by the Minnesota Local Technical Assistance Program (LTAP) at the Center for Transportation Studies, University of Minnesota. Minnesota LTAP is sponsored by the Minnesota Local Road Research Board (LRRB) and the Federal Highway Administration (FHWA). This course is subsidized through funding from LRRB and FHWA.