Environmentally Sensitive Maintenance for Dirt and Gravel Roads

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This manual identifies, documents, and encourages the use of environmentally sensitive maintenance of dirt and gravel roads. The document provides insight into using natural systems and innovative technologies to reduce erosion, sediment, and dust pollution while more effectively and efficiently maintaining dirt and gravel roads and gives the users a "tool box" full of environmentally sensitive maintenance "tools" and practices.

• Download full document (PDF) (360 pp, 26MB)

Download individual sections:

• Cover, Acknowledgement, Table of Contents, Foreword (PDF) (18 pp, 726K)
• Chapter 1: Introduction (PDF) (10 pp, 819K)
• Appendix 1: Case Study: The Pennsylvania Dirt and Gravel Roads Program (PDF) (8 pp, 548K)
• Chapter 2: Geology, Rocks and Soils (PDF) (17 pp, 473K)
• Appendix 2: Case Study: Pennsylvania's Geology (PDF) (5 pp, 625K)
• Chapter 3: Water, Erosion, Drainage and Road Basics (PDF) (22 pp, 2MB)
• Appendix 3: Sample Aggregates Specifications (PDF) (7 pp, 220K)
• Chapter 4: Basics of Natural Systems (PDF) (52 pp, 4.7MB)
• Appendix 4: Case Study: Pennsylvania's Ecology (PDF) (4 pp, 331K)
• Chapter 5: Environmentally Sensitive Maintenance Practices: Roads and Road Drainage (PDF) (44 pp, 3.2MB)
• Appendix 5: Worksites in Focus (PDF) (13 pp, 1.4MB)
• Chapter 6: Environmentally Sensitive Maintenance Practices: Roadsides and Streams (PDF) (31 pp, 2.9MB)
• Appendix 6: Soil Identification in the Field (PDF) (6 pp, 478K)
• Chapter 7: Environmentally Sensitive Maintenance Practices: Additional Maintenance Techniques (PDF) (30 pp, 2.6MB)
• Appendix 7: Pennsylvania's Testing and Approval Program for Dust Suppressants and Road Stabilizers (PDF) (11 pp, 1.5MB)
• Glossary (PDF) (5 pp, 136K)
• References (PDF) (2 pp, 87K)
• Technical Information Sheets (PDF) (47 pp, 3.1MB)