Given the strong relationship between road accident and traffic speed, the evaluation and prediction of this latter have always been considered as a critical issue for road safety analysis and for the
For more information about this layer please see the GIS Data Catalog. A raised pavement marker is a safety device used on roads. These devices are usually made with plastic, ceramic, thermoplastic pa
<p>[[Video(http://www.youtube.com/watch?v=SLPaxAWJntg)]]</p> <p>This video documents the testing of temporary rumble strips at the Purdue University Airport (KLAF) to assess their s
For more information about this layer please see the GIS Data Catalog. A Jersey barrier or Jersey wall is a modular concrete or plastic barrier employed to separate lanes of traffic. It is designed to
