20 Proven Safety Tips that are Guaranteed to Save Lives | Federal Highway Administration | Courtesy of the FHWA

 Roadway Departure

1. Enhanced Delineation and Friction for Horizontal Curves
2. Pavement markings.
3. Larger signs and signs with enhanced retro-reflectivity.
4. Dynamic advance curve warning signs and sequential curve signs.
5. Sharp curves.

• Wet conditions.
• Polished roadway surfaces.
• Driving speeds in excess of the curve advisory speed.
• Longitudinal Rumble Strips and Stripes
• SafetyEdge
• Roadside Design Improvements at Curves
• Median Barriers

 Intersections

1. Backplates w/ Retroreflective Borders
2. Corridor Access Management
3. Left and Right Turn Lanes at Two Way Stop-Controlled Intersections
4. Reduced Left-Turn Conflict Intersections
5. Roundabouts
6. Systemic Application of Multiple Low-Cost Countermeasures at Stop-Controlled Intersections
7. Yellow Change Intervals

 Pedestrians/Bicycles

1. Leading Pedestrian Intervals
2. Medians and Pedestrian Crossing Islands in Urban and Suburban Areas
3. Pedestrian Hybrid Beacons
4. Road Diets / Reconfigurations
5. Walkways 

 Crosscutting

1. Local Road Safety Plans
2. Road Safety Audits
3. USLIMITS2

If you need more information on each countermeasure, feel free to visit the FHWA website https://safety.fhwa.dot.gov/provencountermeasures/