Curve Widening Image Source: FHWA DEFINITION AND DESCRIPTION Roadway departure crashes frequently occur on horizontal curves, which are significantly overrepresented in crash statistics. The presence of shoulders—whether paved or unpaved—plays a major role in a...
Colored Pavement Image Source: Google Earth, Lexington, KY DEFINITION AND DESCRIPTION Colored pavement is typically used along a corridor or as a spot treatment to clearly mark areas of conflict. Different colors have different uses: Yellow pavement enhances the...