RESEARCH - Shoulder and Centerline Rumble Strips
TRB's National Cooperative Highway Research Program (NCHRP) Report 641: Guidance for the Design and Application of Shoulder and Centerline Rumble Strips explores the design and application of shoulder and center line rumble strips as a crash reduction measure.

The end of Daylight Savings Time makes driving in the dark an essential part of commuting home for many during the fall and winter. Defensive Driving Online spokesman Jim Angelo explains some of the hazards created by darkness and offers several tips to make driving at night safer.