The US has 2.2 million miles of paved roads, and about 93% of them are surfaced with asphalt

Paved Road

Asphalt pavements continue to be America’s pavement of choice.

Today’s economic conditions – combining reduced funding with high infrastructure needs – have elevated the importance of economical spending. Decision makers exercising good stewardship practices can easily justify their decisions and choices to their constituents.

Good stewardship practices include a detailed, logical, and documented pavement type selection process that includes a life-cycle cost analysis as a key component.

Pavement type selection, or PTS, is the process that identifies the best pavement structure for a given application. Road agencies such as state DOTs and city/county public works departments use PTS processes, which may be as simple as specifying a certain type of pavement on the basis of traffic level, or as complicated as assigning weighting factors to more than a dozen characteristics and evaluating the outcome through a scoring system.

The APA has developed life-cycle cost analysis software that uses the principles recommended by the Federal Highway Administration (FHWA) to compare the economics of alternative designs for a given road project. It’s easy to use, unbiased, and free. There are two versions: LCCA Original, a comprehensive program, and LCCAExpress, geared to less-complex projects.

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