Abstract: The constructed cost of conventional noise walls is about $2 million per linear mile. In many areas, the cost-effectiveness criteria of $25,000 per benefited receiver are exceeded so that these areas are not eligible for ...

Abstract: Most state highway agencies conduct inventory friction testing on mainline highways to monitor network pavement friction performance. However, no state highway agencies have been reported to monitor pavement friction ...

Abstract: In the last decade, the state departments of transportation in the US have experienced an increase in their construction projects, while the level of their in-house inspection staff and resources has either remained the ...