Highway Design Links

Drainage

• FHWA downloadable software used to assist in drainage design
• FHWA downloadable publications used to assist in drainage design
• US Environmental Protection Agency - storm water management and point discharge information

Horticultural

• Arnold Arboretum of Harvard University
• International Lilac Society
• New England Wild Flower Society
• New Hampshire Department of Agriculture -Division of Pesticide Control
• New Hampshire Department of Agriculture - Plant Industry
• New Hampshire Division of Forest and Lands - NH State Forest Nursery
• New Hampshire Moose Plate Program - Supporting conservation and cultural heritage
• Society for the Protection of New Hampshire Forests
• Wentworth-Coolidge Mansion - Site of the first NH lilac planting

Roads

• AASHTO
• Federal Highway Administration - downloadable software used to assist in geotechnical design
• Federal Highway Administration - downloadable publications used to assist in geotechnical design
• National Transportation Library - publications on various Highway/Road Transportation
• New York State Department of Transportation - Modern Roundabouts

Traffic

• The Institute of Transportation Engineers - ITE facilitates the application of technology and scientific principles to research, planning, functional design, implementations, operation, policy development and management for any mode of transportation
• Intelligent Transportation Society of America
• Manual on Uniform Traffic Control Devices (MUTCD)
• National Highway Traffic Safety Administration

Safety

• Federal Highway Administration - safety programs available, facts and data

Wetlands

• FEMA Issued Flood Maps
• Wetland Permitting
• US Geological Survey - rivers that are monitored daily for flood elevations