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Public Roads

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Public Roads

Developing An 'Operations Vision'

The following article was adapted from Administrator Wykle's speech to the ITS World Congress, Panel 6, in Toronto, Ontario, Canada, Nov. 9, 1999.

Basics of Concrete Barriers

The basic principles of concrete barriers are not generally known or understood. Concrete barriers appear to be simple and uncomplicated, but in reality, they are sophisticated safety devices.

Why Asset Management Is More Critically Important Than Ever Before

The following article was adapted from Tony Kane's speech to the Asset Management Peer Exchange, sponsored by the American Association of State Highway and Transportation Officials and the Federal Highway Administration, in Scottsdale, Ariz., Dec. 1 through 3, 1999.

Beware of Invasive Species

The following is adapted from several Department of Transportation sources, primarily Roadside Use of Native Plants, a handbook published by the Federal Highway Administration.

Traffic-Flow Theory

Traffic-flow theories seek to describe in a precise mathematical way the interactions among vehicles, drivers, and the infrastructure.

Technology Applications

The following are brief descriptions of selected items that have been completed recently by state and federal highway units in cooperation with the Office of Technology Applications and the Office of Research and Development, Federal Highway Administration (FHWA).

Substantive Support From the Private Sector

The vision and leadership of many in the private sector business community of the Delta region have been very significant to the emergence of the region over the past 5 years as a full partner in the national economy.