Enhanced Signing Image Source: Google Earth DEFINITION AND DESCRIPTION Improving the quality and conspicuity of signs provides earlier warnings to motorists as they approach locations that may present increased risk (e.g., intersections, horizontal curves). Horizontal...
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...
Convert Low-Volume Intersections from Two-Way Stop Control to All-Way Stop Control Image Source: Google Earth DEFINITION AND DESCRIPTION All-way stop control (AWSC) is implemented by placing stop signs on each leg of an intersection. It is a quick, cost-effective...
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...
Centerline Turn Hardening Image Source: Insurance Institute for Highway Safety (IIHS) and the Highway Loss Data Institute (HLDI) DEFINITION AND DESCRIPTION Centerline turn hardening entails installing features such as bollards and curbs to prevent drivers from cutting...
