Maintenance Considerations in Design Michael J. Kennerly P.E. Director of the Office of Design Iowa Department of Transportation
Key Considerations when Designing for Maintainability Maintenance Policy Maintenance Staff In-House Outsourced Type of Equipment Maintenance Budget Rehabilitation Program Climate
Water, Water, Water
How Water Influences Design and Maintenance Water Management Affects Pavement Design Shoulder Design Subgrade Treatment Horizontal alignment Subdrain Ditching Landscaping
Pavement Design Typical Cross Section for 4-Lane Divided Highway
Pavement Design Pavement Design Thickness Subgrade Treatment Type HMA vs PCC Porous Pavement Rehabilitation Strategy
Shoulder Design Material Width Subgrade Subdrain Interface
Rehabilitation Strategies
Rehabilitation Strategies HMA Resurfacing Option:
Roadside Design Typical Ditch Section
Roadside Design What is The problem?
Roadside Design Snow Borrow
Roadside Features Light poles